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125730992 = 241072712
BaseRepresentation
bin1110111111010…
…00000010110000
322202120210111102
413133220002300
5224141342432
620250503532
73054460442
oct737500260
9282523442
10125730992
1164a76612
1236134ba8
132008264a
14129ac492
15b088962
hex77e80b0

125730992 has 30 divisors (see below), whose sum is σ = 246791124. Its totient is φ = 62048160.

The previous prime is 125730991. The next prime is 125731007. The reversal of 125730992 is 299037521.

It is not an unprimeable number, because it can be changed into a prime (125730991) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 463817 + ... + 464087.

Almost surely, 2125730992 is an apocalyptic number.

It is an amenable number.

125730992 is a deficient number, since it is larger than the sum of its proper divisors (121060132).

125730992 is an equidigital number, since it uses as much as digits as its factorization.

125730992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 125730992 is about 11212.9831891428. The cubic root of 125730992 is about 500.9727622399.

The spelling of 125730992 in words is "one hundred twenty-five million, seven hundred thirty thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 107 214 271 428 542 856 1084 1712 2168 4336 28997 57994 73441 115988 146882 231976 293764 463952 587528 1175056 7858187 15716374 31432748 62865496 125730992