Search a number
-
+
315580512 = 25313252869
BaseRepresentation
bin10010110011110…
…110000001100000
3210222211011002010
4102303312001200
51121242034022
651151552520
710551250542
oct2263660140
9728734063
10315580512
11152156345
128982b740
13504c4740
142dcab692
151ca8a50c
hex12cf6060

315580512 has 48 divisors (see below), whose sum is σ = 892125360. Its totient is φ = 97101312.

The previous prime is 315580453. The next prime is 315580547. The reversal of 315580512 is 215085513.

315580512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×3155805123 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315580512.

It is a congruent number.

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, 125187 + ... + 127682.

It is an arithmetic number, because the mean of its divisors is an integer number (18585945).

Almost surely, 2315580512 is an apocalyptic number.

315580512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315580512 is an abundant number, since it is smaller than the sum of its proper divisors (576544848).

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

315580512 is a wasteful number, since it uses less digits than its factorization.

315580512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252895 (or 252887 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 315580512 is about 17764.5858944136. The cubic root of 315580512 is about 680.8269293956.

The spelling of 315580512 in words is "three hundred fifteen million, five hundred eighty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 252869 505738 758607 1011476 1517214 2022952 3034428 3287297 4045904 6068856 6574594 8091808 9861891 12137712 13149188 19723782 24275424 26298376 39447564 52596752 78895128 105193504 157790256 315580512