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257725034 = 2769126641
BaseRepresentation
bin11110101110010…
…01001001101010
3122221221210021122
433113021021222
51011434200114
641323535242
76246424640
oct1727111152
9587853248
10257725034
1112252a6a6
127238a522
1341518928
142632b190
151795ce8e
hexf5c926a

257725034 has 16 divisors (see below), whose sum is σ = 442470336. Its totient is φ = 110289600.

The previous prime is 257725021. The next prime is 257725079. The reversal of 257725034 is 430527752.

It is a junction number, because it is equal to n+sod(n) for n = 257724985 and 257725003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647 + ... + 22994.

It is an arithmetic number, because the mean of its divisors is an integer number (27654396).

Almost surely, 2257725034 is an apocalyptic number.

257725034 is a deficient number, since it is larger than the sum of its proper divisors (184745302).

257725034 is a wasteful number, since it uses less digits than its factorization.

257725034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27341.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 257725034 is about 16053.8168047353. The cubic root of 257725034 is about 636.3834380072.

The spelling of 257725034 in words is "two hundred fifty-seven million, seven hundred twenty-five thousand, thirty-four".

Divisors: 1 2 7 14 691 1382 4837 9674 26641 53282 186487 372974 18408931 36817862 128862517 257725034