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125162540 = 2256258127
BaseRepresentation
bin1110111010111…
…01010000101100
322201111220201122
413131131100230
5224020200130
620230400112
73046602236
oct735352054
9281456648
10125162540
1164718518
1235b00038
131cc13999
14128a1256
15aec52e5
hex775d42c

125162540 has 12 divisors (see below), whose sum is σ = 262841376. Its totient is φ = 50065008.

The previous prime is 125162537. The next prime is 125162549. The reversal of 125162540 is 45261521.

It is a super-2 number, since 2×1251625402 = 31331322838503200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125162549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129044 + ... + 3129083.

It is an arithmetic number, because the mean of its divisors is an integer number (21903448).

Almost surely, 2125162540 is an apocalyptic number.

125162540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125162540 is an abundant number, since it is smaller than the sum of its proper divisors (137678836).

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

125162540 is a wasteful number, since it uses less digits than its factorization.

125162540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258136 (or 6258134 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 125162540 is about 11187.6065358056. The cubic root of 125162540 is about 500.2166261327.

The spelling of 125162540 in words is "one hundred twenty-five million, one hundred sixty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 6258127 12516254 25032508 31290635 62581270 125162540