Search a number
-
+
2430509312 = 28711177253
BaseRepresentation
bin1001000011011110…
…1010000100000000
320021101102122222102
42100313222010000
514434202244222
61041102125532
7114141662660
oct22067520400
96241378872
102430509312
111037a60690
12579b808a8
132c970b6ba
14190b221a0
15e35a0d92
hex90dea100

2430509312 has 144 divisors (see below), whose sum is σ = 6405340032. Its totient is φ = 891125760.

The previous prime is 2430509293. The next prime is 2430509327. The reversal of 2430509312 is 2139050342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331478 + ... + 338730.

It is an arithmetic number, because the mean of its divisors is an integer number (44481528).

Almost surely, 22430509312 is an apocalyptic number.

2430509312 is a gapful number since it is divisible by the number (22) 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 2430509312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3202670016).

2430509312 is an abundant number, since it is smaller than the sum of its proper divisors (3974830720).

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

2430509312 is a wasteful number, since it uses less digits than its factorization.

2430509312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304 (or 7290 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2430509312 is about 49300.1958616799. The cubic root of 2430509312 is about 1344.5153446985.

Adding to 2430509312 its reverse (2139050342), we get a palindrome (4569559654).

The spelling of 2430509312 in words is "two billion, four hundred thirty million, five hundred nine thousand, three hundred twelve".

Divisors: 1 2 4 7 8 11 14 16 17 22 28 32 34 44 56 64 68 77 88 112 119 128 136 154 176 187 224 238 256 272 308 352 374 448 476 544 616 704 748 896 952 1088 1232 1309 1408 1496 1792 1904 2176 2464 2618 2816 2992 3808 4352 4928 5236 5984 7253 7616 9856 10472 11968 14506 15232 19712 20944 23936 29012 30464 41888 47872 50771 58024 79783 83776 101542 116048 123301 159566 167552 203084 232096 246602 319132 335104 406168 464192 493204 558481 638264 812336 863107 928384 986408 1116962 1276528 1356311 1624672 1726214 1856768 1972816 2233924 2553056 2712622 3249344 3452428 3945632 4467848 5106112 5425244 6498688 6904856 7891264 8935696 9494177 10212224 10850488 12997376 13809712 15782528 17871392 18988354 20424448 21700976 27619424 31565056 35742784 37976708 43401952 55238848 71485568 75953416 86803904 110477696 142971136 151906832 173607808 220955392 303813664 347215616 607627328 1215254656 2430509312