Search a number
-
+
1145010520 = 235171683839
BaseRepresentation
bin100010000111111…
…0111100101011000
32221210112120011001
41010033313211120
54321110314040
6305341314344
740242300043
oct10417674530
92853476131
101145010520
11538368395
1227b5659b4
131532b0024
14ac0d7c5a
156a7c759a
hex443f7958

1145010520 has 32 divisors (see below), whose sum is σ = 2727820800. Its totient is φ = 431062528.

The previous prime is 1145010499. The next prime is 1145010533. The reversal of 1145010520 is 250105411.

It is a super-2 number, since 2×11450105202 = 2622098181821340800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841240 + ... + 842599.

It is an arithmetic number, because the mean of its divisors is an integer number (85244400).

Almost surely, 21145010520 is an apocalyptic number.

1145010520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145010520 is an abundant number, since it is smaller than the sum of its proper divisors (1582810280).

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

1145010520 is a wasteful number, since it uses less digits than its factorization.

1145010520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683867 (or 1683863 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1145010520 is about 33838.0040782550. The cubic root of 1145010520 is about 1046.1721605957.

Adding to 1145010520 its reverse (250105411), we get a palindrome (1395115931).

The spelling of 1145010520 in words is "one billion, one hundred forty-five million, ten thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 1683839 3367678 6735356 8419195 13470712 16838390 28625263 33676780 57250526 67353560 114501052 143126315 229002104 286252630 572505260 1145010520