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125904369 = 3231824701
BaseRepresentation
bin1111000000100…
…10010111110001
322202220121022210
413200102113301
5224212414434
620254322333
73056112063
oct740222761
9282817283
10125904369
11650848a8
12361b93a9
1320113536
1412a15733
15b0beee9
hex78125f1

125904369 has 8 divisors (see below), whose sum is σ = 175171392. Its totient is φ = 80286800.

The previous prime is 125904347. The next prime is 125904413. The reversal of 125904369 is 963409521.

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 125904369 - 29 = 125903857 is a prime.

It is a super-2 number, since 2×1259043692 = 31703820266576322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125909369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912282 + ... + 912419.

It is an arithmetic number, because the mean of its divisors is an integer number (21896424).

Almost surely, 2125904369 is an apocalyptic number.

It is an amenable number.

125904369 is a deficient number, since it is larger than the sum of its proper divisors (49267023).

125904369 is a wasteful number, since it uses less digits than its factorization.

125904369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824727.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 125904369 is about 11220.7116084498. The cubic root of 125904369 is about 501.2029289364.

The spelling of 125904369 in words is "one hundred twenty-five million, nine hundred four thousand, three hundred sixty-nine".

Divisors: 1 3 23 69 1824701 5474103 41968123 125904369