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172830152 = 23112936703
BaseRepresentation
bin10100100110100…
…10110111001000
3110001012200101202
422103102313020
5323221031102
625052203332
74166013665
oct1223226710
9401180352
10172830152
1189615940
1249a69548
1329a63581
1418d4ca6c
151028de02
hexa4d2dc8

172830152 has 32 divisors (see below), whose sum is σ = 354775680. Its totient is φ = 78279360.

The previous prime is 172830131. The next prime is 172830179. The reversal of 172830152 is 251038271.

It is a super-2 number, since 2×1728301522 = 59740522880686208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22433 + ... + 29135.

It is an arithmetic number, because the mean of its divisors is an integer number (11086740).

Almost surely, 2172830152 is an apocalyptic number.

It is an amenable number.

172830152 is an abundant number, since it is smaller than the sum of its proper divisors (181945528).

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

172830152 is a wasteful number, since it uses less digits than its factorization.

172830152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013 (or 7009 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 172830152 is about 13146.4882002761. The cubic root of 172830152 is about 557.0230547204.

The spelling of 172830152 in words is "one hundred seventy-two million, eight hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 293 586 1172 2344 3223 6446 6703 12892 13406 25784 26812 53624 73733 147466 294932 589864 1963979 3927958 7855916 15711832 21603769 43207538 86415076 172830152