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313012 = 22721597
BaseRepresentation
bin1001100011010110100
3120220101001
41030122310
540004022
610413044
72442400
oct1143264
9526331
10313012
111a4197
12131184
13ac61b
1482100
1562b27
hex4c6b4

313012 has 18 divisors (see below), whose sum is σ = 637602. Its totient is φ = 134064.

The previous prime is 313009. The next prime is 313031. The reversal of 313012 is 210313.

It can be written as a sum of positive squares in only one way, i.e., 226576 + 86436 = 476^2 + 294^2 .

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 313012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 603 + ... + 994.

2313012 is an apocalyptic number.

It is an amenable number.

313012 is an abundant number, since it is smaller than the sum of its proper divisors (324590).

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

313012 is a wasteful number, since it uses less digits than its factorization.

313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 313012 is about 559.4747536753. The cubic root of 313012 is about 67.8974810416.

Adding to 313012 its reverse (210313), we get a palindrome (523325).

The spelling of 313012 in words is "three hundred thirteen thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 1597 3194 6388 11179 22358 44716 78253 156506 313012