Search a number
-
+
256394096 = 2472289233
BaseRepresentation
bin11110100100001…
…00001101110000
3122212110011120122
433102010031300
51011114102341
641235225412
76232212440
oct1722041560
9585404518
10256394096
11121800752
1271a48268
1341170baa
14260a2120
151779894b
hexf484370

256394096 has 20 divisors (see below), whose sum is σ = 567730032. Its totient is φ = 109883136.

The previous prime is 256394093. The next prime is 256394101. The reversal of 256394096 is 690493652.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256394093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144505 + ... + 1144728.

Almost surely, 2256394096 is an apocalyptic number.

It is an amenable number.

256394096 is an abundant number, since it is smaller than the sum of its proper divisors (311335936).

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

256394096 is a wasteful number, since it uses less digits than its factorization.

256394096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289248 (or 2289242 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 256394096 is about 16012.3107639091. The cubic root of 256394096 is about 635.2860810275.

The spelling of 256394096 in words is "two hundred fifty-six million, three hundred ninety-four thousand, ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 2289233 4578466 9156932 16024631 18313864 32049262 36627728 64098524 128197048 256394096