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256112466 = 231131812087
BaseRepresentation
bin11110100001111…
…11011101010010
3122211220212020220
433100333131102
51011031044331
641225213510
76226630401
oct1720773522
9584825226
10256112466
111216290a5
1271931296
13410a294c
142602b638
1517740296
hexf43f752

256112466 has 32 divisors (see below), whose sum is σ = 519861888. Its totient is φ = 84107520.

The previous prime is 256112347. The next prime is 256112471. The reversal of 256112466 is 664211652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121675 + ... + 123761.

It is an arithmetic number, because the mean of its divisors is an integer number (16245684).

Almost surely, 2256112466 is an apocalyptic number.

256112466 is an abundant number, since it is smaller than the sum of its proper divisors (263749422).

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

256112466 is a wasteful number, since it uses less digits than its factorization.

256112466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386.

The product of its digits is 17280, while the sum is 33.

The square root of 256112466 is about 16003.5141765801. The cubic root of 256112466 is about 635.0533908442.

The spelling of 256112466 in words is "two hundred fifty-six million, one hundred twelve thousand, four hundred sixty-six".

Divisors: 1 2 3 6 113 181 226 339 362 543 678 1086 2087 4174 6261 12522 20453 40906 61359 122718 235831 377747 471662 707493 755494 1133241 1414986 2266482 42685411 85370822 128056233 256112466