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256058250 = 235371719151
BaseRepresentation
bin11110100001100…
…10001110001010
3122211211002212220
433100302032022
51011022331000
641224114510
76226313340
oct1720621612
9584732786
10256058250
111215a1398
1271905a36
1341084076
1426015990
151772e1a0
hexf43238a

256058250 has 256 divisors, whose sum is σ = 819486720. Its totient is φ = 51840000.

The previous prime is 256058239. The next prime is 256058263. The reversal of 256058250 is 52850652.

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 127 ways as a sum of consecutive naturals, for example, 1695675 + ... + 1695825.

It is an arithmetic number, because the mean of its divisors is an integer number (3201120).

Almost surely, 2256058250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256058250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409743360).

256058250 is an abundant number, since it is smaller than the sum of its proper divisors (563428470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256058250 is a wasteful number, since it uses less digits than its factorization.

256058250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 256058250 is about 16001.8202089637. The cubic root of 256058250 is about 635.0085765680.

The spelling of 256058250 in words is "two hundred fifty-six million, fifty-eight thousand, two hundred fifty".