Search a number
-
+
256860204 = 223137156241
BaseRepresentation
bin11110100111101…
…10000000101100
3122220022211221220
433103312000230
51011224011304
641253223340
76236163366
oct1723660054
9586284856
10256860204
11121a99967
1272031b50
13412a50b3
1426183d36
151783bad9
hexf4f602c

256860204 has 24 divisors (see below), whose sum is σ = 603719088. Its totient is φ = 84994560.

The previous prime is 256860151. The next prime is 256860229. The reversal of 256860204 is 402068652.

256860204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 76477 + ... + 79764.

It is an arithmetic number, because the mean of its divisors is an integer number (25154962).

Almost surely, 2256860204 is an apocalyptic number.

It is an amenable number.

256860204 is an abundant number, since it is smaller than the sum of its proper divisors (346858884).

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

256860204 is a wasteful number, since it uses less digits than its factorization.

256860204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156385 (or 156383 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 256860204 is about 16026.8588313493. The cubic root of 256860204 is about 635.6708177444.

The spelling of 256860204 in words is "two hundred fifty-six million, eight hundred sixty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 156241 312482 468723 624964 937446 1874892 21405017 42810034 64215051 85620068 128430102 256860204