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125390912 = 2617115249
BaseRepresentation
bin1110111100101…
…01000001000000
322201221111222212
413132111001000
5224100002122
620235321252
73051543113
oct736250100
9281844885
10125390912
1164864059
1235bb0228
131cc9390a
141292057a
15b01cce2
hex7795040

125390912 has 28 divisors (see below), whose sum is σ = 263461500. Its totient is φ = 59006976.

The previous prime is 125390869. The next prime is 125390921. The reversal of 125390912 is 219093521.

It can be written as a sum of positive squares in 2 ways, for example, as 65545216 + 59845696 = 8096^2 + 7736^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 56537 + ... + 58712.

Almost surely, 2125390912 is an apocalyptic number.

It is an amenable number.

125390912 is an abundant number, since it is smaller than the sum of its proper divisors (138070588).

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

125390912 is a wasteful number, since it uses less digits than its factorization.

125390912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115278 (or 115268 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 125390912 is about 11197.8083569956. The cubic root of 125390912 is about 500.5206736098.

The spelling of 125390912 in words is "one hundred twenty-five million, three hundred ninety thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 115249 230498 460996 921992 1843984 1959233 3687968 3918466 7375936 7836932 15673864 31347728 62695456 125390912