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256460216 = 2353604859
BaseRepresentation
bin11110100100101…
…00010110111000
3122212120112021112
433102110112320
51011123211331
641240455452
76232606265
oct1722242670
9585515245
10256460216
111218463a1
1271a7a588
134119500c
14260bc26c
15177ad32b
hexf4945b8

256460216 has 16 divisors (see below), whose sum is σ = 489936600. Its totient is φ = 125810464.

The previous prime is 256460131. The next prime is 256460227. The reversal of 256460216 is 612064652.

256460216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302006 + ... + 302853.

Almost surely, 2256460216 is an apocalyptic number.

It is an amenable number.

256460216 is a deficient number, since it is larger than the sum of its proper divisors (233476384).

256460216 is a wasteful number, since it uses less digits than its factorization.

256460216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604918 (or 604914 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 256460216 is about 16014.3752922179. The cubic root of 256460216 is about 635.3406864260.

The spelling of 256460216 in words is "two hundred fifty-six million, four hundred sixty thousand, two hundred sixteen".

Divisors: 1 2 4 8 53 106 212 424 604859 1209718 2419436 4838872 32057527 64115054 128230108 256460216