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2009839824 = 2433171032657
BaseRepresentation
bin111011111001011…
…1011100011010000
312012001212102221000
41313302323203100
513104004333244
6531233502000
7100543233216
oct16762734320
95161772830
102009839824
11941558453
12481111900
13260511045
14150cdacb6
15bb6a8169
hex77cbb8d0

2009839824 has 160 divisors (see below), whose sum is σ = 6169962240. Its totient is φ = 624181248.

The previous prime is 2009839801. The next prime is 2009839829. The reversal of 2009839824 is 4289389002.

It is a super-2 number, since 2×20098398242 = 8078912236272701952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2009839824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009839829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755104 + ... + 757760.

It is an arithmetic number, because the mean of its divisors is an integer number (38562264).

Almost surely, 22009839824 is an apocalyptic number.

2009839824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2009839824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084981120).

2009839824 is an abundant number, since it is smaller than the sum of its proper divisors (4160122416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009839824 is a wasteful number, since it uses less digits than its factorization.

2009839824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2009839824 is about 44831.2371455440. The cubic root of 2009839824 is about 1261.9839041282.

The spelling of 2009839824 in words is "two billion, nine million, eight hundred thirty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 102 103 108 136 144 153 204 206 216 272 306 309 408 412 432 459 612 618 816 824 918 927 1224 1236 1648 1751 1836 1854 2448 2472 2657 2781 3502 3672 3708 4944 5253 5314 5562 7004 7344 7416 7971 10506 10628 11124 14008 14832 15759 15942 21012 21256 22248 23913 28016 31518 31884 42024 42512 44496 45169 47277 47826 63036 63768 71739 84048 90338 94554 95652 126072 127536 135507 143478 180676 189108 191304 252144 271014 273671 286956 361352 378216 382608 406521 542028 547342 573912 722704 756432 813042 821013 1084056 1094684 1147824 1219563 1626084 1642026 2168112 2189368 2439126 2463039 3252168 3284052 4378736 4652407 4878252 4926078 6504336 6568104 7389117 9304814 9756504 9852156 13136208 13957221 14778234 18609628 19513008 19704312 27914442 29556468 37219256 39408624 41871663 55828884 59112936 74438512 83743326 111657768 118225872 125614989 167486652 223315536 251229978 334973304 502459956 669946608 1004919912 2009839824