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125317489 = 1117670147
BaseRepresentation
bin1110111100000…
…11000101110001
322201210210021111
413132003011301
5224040124424
620233553321
73051116053
oct736030561
9281723244
10125317489
1164813980
1235b75841
131cc6937b
14129018d3
15b006194
hex7783171

125317489 has 8 divisors (see below), whose sum is σ = 144751968. Its totient is φ = 107223360.

The previous prime is 125317481. The next prime is 125317519. The reversal of 125317489 is 984713521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125317489 - 23 = 125317481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125317481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334887 + ... + 335260.

It is an arithmetic number, because the mean of its divisors is an integer number (18093996).

Almost surely, 2125317489 is an apocalyptic number.

It is an amenable number.

125317489 is a deficient number, since it is larger than the sum of its proper divisors (19434479).

125317489 is a wasteful number, since it uses less digits than its factorization.

125317489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670175.

The product of its digits is 60480, while the sum is 40.

The square root of 125317489 is about 11194.5294228922. The cubic root of 125317489 is about 500.4229607741.

The spelling of 125317489 in words is "one hundred twenty-five million, three hundred seventeen thousand, four hundred eighty-nine".

Divisors: 1 11 17 187 670147 7371617 11392499 125317489