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125782972 = 2274492249
BaseRepresentation
bin1110111111101…
…00101110111100
322202200102210121
413133310232330
5224200023342
620251544324
73055065130
oct737645674
9282612717
10125782972
1165001677
123615b0a4
13200a01c3
14129c33c0
15b099067
hex77f4bbc

125782972 has 12 divisors (see below), whose sum is σ = 251566000. Its totient is φ = 53906976.

The previous prime is 125782967. The next prime is 125782997. The reversal of 125782972 is 279287521.

125782972 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246097 + ... + 2246152.

Almost surely, 2125782972 is an apocalyptic number.

It is an amenable number.

125782972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125782972 is a wasteful number, since it uses less digits than its factorization.

125782972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492260 (or 4492258 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 125782972 is about 11215.3007984628. The cubic root of 125782972 is about 501.0417905042.

The spelling of 125782972 in words is "one hundred twenty-five million, seven hundred eighty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 7 14 28 4492249 8984498 17968996 31445743 62891486 125782972