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313038068 = 22721793949
BaseRepresentation
bin10010101010001…
…001010011110100
3210211000222111112
4102222021103310
51120114204233
651021254152
710520531300
oct2252112364
9724028445
10313038068
1115077a152
1288a04358
134cb14435
142d808d00
151c737048
hex12a894f4

313038068 has 36 divisors (see below), whose sum is σ = 674748900. Its totient is φ = 126266112.

The previous prime is 313038059. The next prime is 313038083. The reversal of 313038068 is 860830313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 229461904 + 83576164 = 15148^2 + 9142^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43643 + ... + 50306.

It is an arithmetic number, because the mean of its divisors is an integer number (18743025).

Almost surely, 2313038068 is an apocalyptic number.

It is an amenable number.

313038068 is an abundant number, since it is smaller than the sum of its proper divisors (361710832).

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

313038068 is a wasteful number, since it uses less digits than its factorization.

313038068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93984 (or 93975 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 313038068 is about 17692.8818455332. The cubic root of 313038068 is about 678.9936584946.

The spelling of 313038068 in words is "three hundred thirteen million, thirty-eight thousand, sixty-eight".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 476 833 1666 3332 93949 187898 375796 657643 1315286 1597133 2630572 3194266 4603501 6388532 9207002 11179931 18414004 22359862 44719724 78259517 156519034 313038068