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256974104 = 23295320899
BaseRepresentation
bin11110101000100…
…01110100011000
3122220112122012102
433110101310120
51011241132404
641255502532
76240146432
oct1724216430
9586478172
10256974104
111220674a2
1272087a48
1341314baa
14261b3652
151786071e
hexf511d18

256974104 has 32 divisors (see below), whose sum is σ = 507870000. Its totient is φ = 121709952.

The previous prime is 256974083. The next prime is 256974121. The reversal of 256974104 is 401479652.

It is a congruent number.

It is an unprimeable number.

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, 1847 + ... + 22745.

Almost surely, 2256974104 is an apocalyptic number.

It is an amenable number.

256974104 is a deficient number, since it is larger than the sum of its proper divisors (250895896).

256974104 is a wasteful number, since it uses less digits than its factorization.

256974104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20987 (or 20983 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 256974104 is about 16030.4118474854. The cubic root of 256974104 is about 635.7647627590.

The spelling of 256974104 in words is "two hundred fifty-six million, nine hundred seventy-four thousand, one hundred four".

Divisors: 1 2 4 8 29 53 58 106 116 212 232 424 1537 3074 6148 12296 20899 41798 83596 167192 606071 1107647 1212142 2215294 2424284 4430588 4848568 8861176 32121763 64243526 128487052 256974104