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313712244 = 22337339791
BaseRepresentation
bin10010101100101…
…101111001110100
3210212022020022000
4102230231321310
51120302242434
651043535300
710526336646
oct2254557164
9725266260
10313712244
1115109a71a
128908a530
134ccbc261
142d942896
151c81bb99
hex12b2de74

313712244 has 48 divisors (see below), whose sum is σ = 824490240. Its totient is φ = 103135680.

The previous prime is 313712213. The next prime is 313712257. The reversal of 313712244 is 442217313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12012 + ... + 27779.

It is an arithmetic number, because the mean of its divisors is an integer number (17176880).

Almost surely, 2313712244 is an apocalyptic number.

It is an amenable number.

313712244 is an abundant number, since it is smaller than the sum of its proper divisors (510777996).

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

313712244 is a wasteful number, since it uses less digits than its factorization.

313712244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39877 (or 39869 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 313712244 is about 17711.9237803238. The cubic root of 313712244 is about 679.4807483496.

Adding to 313712244 its reverse (442217313), we get a palindrome (755929557).

The spelling of 313712244 in words is "three hundred thirteen million, seven hundred twelve thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 73 108 146 219 292 438 657 876 1314 1971 2628 3942 7884 39791 79582 119373 159164 238746 358119 477492 716238 1074357 1432476 2148714 2904743 4297428 5809486 8714229 11618972 17428458 26142687 34856916 52285374 78428061 104570748 156856122 313712244