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125968136 = 2372249431
BaseRepresentation
bin1111000001000…
…01111100001000
322210000211210112
413200201330020
5224221440021
620255533452
73056466020
oct740417410
9283024715
10125968136
11651187a8
123622a288
1320136578
1412a30a80
15b0d3d5b
hex7821f08

125968136 has 16 divisors (see below), whose sum is σ = 269931840. Its totient is φ = 53986320.

The previous prime is 125968133. The next prime is 125968151. The reversal of 125968136 is 631869521.

It is a junction number, because it is equal to n+sod(n) for n = 125968093 and 125968102.

It is not an unprimeable number, because it can be changed into a prime (125968133) by changing a digit.

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, 1124660 + ... + 1124771.

It is an arithmetic number, because the mean of its divisors is an integer number (16870740).

Almost surely, 2125968136 is an apocalyptic number.

It is an amenable number.

125968136 is an abundant number, since it is smaller than the sum of its proper divisors (143963704).

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

125968136 is a wasteful number, since it uses less digits than its factorization.

125968136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249444 (or 2249440 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 125968136 is about 11223.5527352082. The cubic root of 125968136 is about 501.2875296888.

The spelling of 125968136 in words is "one hundred twenty-five million, nine hundred sixty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 2249431 4498862 8997724 15746017 17995448 31492034 62984068 125968136