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313043112 = 23324347821
BaseRepresentation
bin10010101010001…
…010100010101000
3210211001020102100
4102222022202220
51120114334422
651021333400
710520552064
oct2252124250
9724036370
10313043112
11150782a18
1288a07260
134cb16815
142d80aaa4
151c7387ac
hex12a8a8a8

313043112 has 24 divisors (see below), whose sum is σ = 847825290. Its totient is φ = 104347680.

The previous prime is 313043099. The next prime is 313043123. The reversal of 313043112 is 211340313.

It can be written as a sum of positive squares in only one way, i.e., 302968836 + 10074276 = 17406^2 + 3174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2173839 + ... + 2173982.

Almost surely, 2313043112 is an apocalyptic number.

It is an amenable number.

313043112 is an abundant number, since it is smaller than the sum of its proper divisors (534782178).

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

313043112 is a wasteful number, since it uses less digits than its factorization.

313043112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347833 (or 4347826 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 313043112 is about 17693.0243881593. The cubic root of 313043112 is about 678.9973053627.

Adding to 313043112 its reverse (211340313), we get a palindrome (524383425).

The spelling of 313043112 in words is "three hundred thirteen million, forty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4347821 8695642 13043463 17391284 26086926 34782568 39130389 52173852 78260778 104347704 156521556 313043112