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152080724 = 221091492341
BaseRepresentation
bin10010001000010…
…01000101010100
3101121011111112102
421010021011110
5302413040344
623031341232
73524444015
oct1104110524
9347144472
10152080724
1178933554
1242b21818
1325679cc3
14162ab00c
15d540e4e
hex9109154

152080724 has 24 divisors (see below), whose sum is σ = 270501000. Its totient is φ = 74805120.

The previous prime is 152080703. The next prime is 152080741. The reversal of 152080724 is 427080251.

It can be written as a sum of positive squares in 4 ways, for example, as 18215824 + 133864900 = 4268^2 + 11570^2 .

It is a super-2 number, since 2×1520807242 = 46257093224728352, 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, 63794 + ... + 66134.

It is an arithmetic number, because the mean of its divisors is an integer number (11270875).

Almost surely, 2152080724 is an apocalyptic number.

It is an amenable number.

152080724 is a deficient number, since it is larger than the sum of its proper divisors (118420276).

152080724 is a wasteful number, since it uses less digits than its factorization.

152080724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 152080724 is about 12332.1013618929. The cubic root of 152080724 is about 533.7747884873.

The spelling of 152080724 in words is "one hundred fifty-two million, eighty thousand, seven hundred twenty-four".

Divisors: 1 2 4 109 149 218 298 436 596 2341 4682 9364 16241 32482 64964 255169 348809 510338 697618 1020676 1395236 38020181 76040362 152080724