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125390984 = 23109143797
BaseRepresentation
bin1110111100101…
…01000010001000
322201221112002112
413132111002020
5224100002414
620235321452
73051543245
oct736250210
9281845075
10125390984
1164864114
1235bb0288
131cc93964
14129205cc
15b01cd3e
hex7795088

125390984 has 16 divisors (see below), whose sum is σ = 237266700. Its totient is φ = 62119872.

The previous prime is 125390981. The next prime is 125390987. The reversal of 125390984 is 489093521.

It is an interprime number because it is at equal distance from previous prime (125390981) and next prime (125390987).

It can be written as a sum of positive squares in 2 ways, for example, as 119290084 + 6100900 = 10922^2 + 2470^2 .

It is not an unprimeable number, because it can be changed into a prime (125390981) 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, 71027 + ... + 72770.

Almost surely, 2125390984 is an apocalyptic number.

It is an amenable number.

125390984 is a deficient number, since it is larger than the sum of its proper divisors (111875716).

125390984 is a wasteful number, since it uses less digits than its factorization.

125390984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143912 (or 143908 counting only the distinct ones).

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

The square root of 125390984 is about 11197.8115719099. The cubic root of 125390984 is about 500.5207694101.

The spelling of 125390984 in words is "one hundred twenty-five million, three hundred ninety thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 109 218 436 872 143797 287594 575188 1150376 15673873 31347746 62695492 125390984