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153152260 = 2257657613
BaseRepresentation
bin10010010000011…
…10101100000100
3101200011221101221
421020032230010
5303201333020
623110330124
73536526022
oct1110165404
9350157357
10153152260
11794a5618
1243359944
1325963951
14164a9712
15d6a36aa
hex920eb04

153152260 has 12 divisors (see below), whose sum is σ = 321619788. Its totient is φ = 61260896.

The previous prime is 153152249. The next prime is 153152297. The reversal of 153152260 is 62251351.

It can be written as a sum of positive squares in 2 ways, for example, as 65804544 + 87347716 = 8112^2 + 9346^2 .

It is a super-2 number, since 2×1531522602 = 46911229486215200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3828787 + ... + 3828826.

It is an arithmetic number, because the mean of its divisors is an integer number (26801649).

Almost surely, 2153152260 is an apocalyptic number.

153152260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153152260 is an abundant number, since it is smaller than the sum of its proper divisors (168467528).

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

153152260 is a wasteful number, since it uses less digits than its factorization.

153152260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657622 (or 7657620 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 153152260 is about 12375.4700920814. The cubic root of 153152260 is about 535.0254857280.

Subtracting from 153152260 its reverse (62251351), we obtain a palindrome (90900909).

The spelling of 153152260 in words is "one hundred fifty-three million, one hundred fifty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 7657613 15315226 30630452 38288065 76576130 153152260