Search a number
-
+
312713828 = 22711168351
BaseRepresentation
bin10010101000111…
…010001001100100
3210210102111201122
4102220322021210
51120023320303
651010313112
710515011060
oct2250721144
9723374648
10312713828
11150578589
1288888798
134ca2c98b
142d762aa0
151c6c0e38
hex12a3a264

312713828 has 12 divisors (see below), whose sum is σ = 625427712. Its totient is φ = 134020200.

The previous prime is 312713809. The next prime is 312713839. The reversal of 312713828 is 828317213.

312713828 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 5584148 + ... + 5584203.

It is an arithmetic number, because the mean of its divisors is an integer number (52118976).

Almost surely, 2312713828 is an apocalyptic number.

It is an amenable number.

312713828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312713828 is a wasteful number, since it uses less digits than its factorization.

312713828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168362 (or 11168360 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 312713828 is about 17683.7164645897. The cubic root of 312713828 is about 678.7591471239.

The spelling of 312713828 in words is "three hundred twelve million, seven hundred thirteen thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 11168351 22336702 44673404 78178457 156356914 312713828