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256717112 = 23155320663
BaseRepresentation
bin11110100110100…
…11000100111000
3122220001120200012
433103103010320
51011204421422
641250201052
76235026251
oct1723230470
9586046605
10256717112
11121a01403
1271b83188
1341254c22
1426147b28
151780e4e2
hexf4d3138

256717112 has 16 divisors (see below), whose sum is σ = 481677840. Its totient is φ = 128269696.

The previous prime is 256717093. The next prime is 256717147. The reversal of 256717112 is 211717652.

256717112 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, 2093 + ... + 22755.

It is an arithmetic number, because the mean of its divisors is an integer number (30104865).

Almost surely, 2256717112 is an apocalyptic number.

It is an amenable number.

256717112 is a deficient number, since it is larger than the sum of its proper divisors (224960728).

256717112 is a wasteful number, since it uses less digits than its factorization.

256717112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222 (or 22218 counting only the distinct ones).

The product of its digits is 5880, while the sum is 32.

The square root of 256717112 is about 16022.3940782893. The cubic root of 256717112 is about 635.5527557233.

The spelling of 256717112 in words is "two hundred fifty-six million, seven hundred seventeen thousand, one hundred twelve".

Divisors: 1 2 4 8 1553 3106 6212 12424 20663 41326 82652 165304 32089639 64179278 128358556 256717112