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125372740 = 2256268637
BaseRepresentation
bin1110111100100…
…00100101000100
322201220121001211
413132100211010
5224043411430
620235101204
73051436123
oct736204504
9281817054
10125372740
1164851439
1235ba1804
131cc8856c
1412917aba
15b01772a
hex7790944

125372740 has 12 divisors (see below), whose sum is σ = 263282796. Its totient is φ = 50149088.

The previous prime is 125372717. The next prime is 125372789. The reversal of 125372740 is 47273521.

It can be written as a sum of positive squares in 2 ways, for example, as 71673156 + 53699584 = 8466^2 + 7328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3134299 + ... + 3134338.

It is an arithmetic number, because the mean of its divisors is an integer number (21940233).

Almost surely, 2125372740 is an apocalyptic number.

125372740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125372740 is an abundant number, since it is smaller than the sum of its proper divisors (137910056).

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

125372740 is a wasteful number, since it uses less digits than its factorization.

125372740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268646 (or 6268644 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 125372740 is about 11196.9969188171. The cubic root of 125372740 is about 500.4964934919.

The spelling of 125372740 in words is "one hundred twenty-five million, three hundred seventy-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 6268637 12537274 25074548 31343185 62686370 125372740