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125696536 = 23718112401
BaseRepresentation
bin1110111110111…
…11101000011000
322202112001020021
413133133220120
5224134242121
620250040224
73054255130
oct737375030
9282461207
10125696536
1164a52739
1236119074
132006ca64
141299dac0
15b07d641
hex77dfa18

125696536 has 32 divisors (see below), whose sum is σ = 270859680. Its totient is φ = 53568000.

The previous prime is 125696513. The next prime is 125696551. The reversal of 125696536 is 635696521.

It is a junction number, because it is equal to n+sod(n) for n = 125696492 and 125696501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3936 + ... + 16336.

It is an arithmetic number, because the mean of its divisors is an integer number (8464365).

Almost surely, 2125696536 is an apocalyptic number.

It is an amenable number.

125696536 is an abundant number, since it is smaller than the sum of its proper divisors (145163144).

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

125696536 is a wasteful number, since it uses less digits than its factorization.

125696536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595 (or 12591 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 125696536 is about 11211.4466506334. The cubic root of 125696536 is about 500.9269949652.

The spelling of 125696536 in words is "one hundred twenty-five million, six hundred ninety-six thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 181 362 724 1267 1448 2534 5068 10136 12401 24802 49604 86807 99208 173614 347228 694456 2244581 4489162 8978324 15712067 17956648 31424134 62848268 125696536