Search a number
-
+
315406912 = 2623353607
BaseRepresentation
bin10010110011001…
…011101001000000
3210222111022221111
4102303023221000
51121221010122
651144133104
710546625452
oct2263135100
9728438844
10315406912
11152047977
1289767194
1350463712
142dc642d2
151ca53d77
hex12ccba40

315406912 has 56 divisors (see below), whose sum is σ = 656027136. Its totient is φ = 150171648.

The previous prime is 315406867. The next prime is 315406919. The reversal of 315406912 is 219604513.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (315406919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519313 + ... + 519919.

Almost surely, 2315406912 is an apocalyptic number.

315406912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315406912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328013568).

315406912 is an abundant number, since it is smaller than the sum of its proper divisors (340620224).

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

315406912 is a wasteful number, since it uses less digits than its factorization.

315406912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 315406912 is about 17759.6990965500. The cubic root of 315406912 is about 680.7020661364.

The spelling of 315406912 in words is "three hundred fifteen million, four hundred six thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 353 368 607 706 736 1214 1412 1472 2428 2824 4856 5648 8119 9712 11296 13961 16238 19424 22592 27922 32476 38848 55844 64952 111688 129904 214271 223376 259808 428542 446752 519616 857084 893504 1714168 3428336 4928233 6856672 9856466 13713344 19712932 39425864 78851728 157703456 315406912