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313568490 = 23547222389
BaseRepresentation
bin10010101100001…
…010110011101010
3210212000221002210
4102230022303222
51120233142430
651040505550
710525200564
oct2254126352
9725027083
10313568490
11151001714
128901b2b6
134cc6b9b1
142d906334
151c7de2b0
hex12b0acea

313568490 has 32 divisors (see below), whose sum is σ = 768579840. Its totient is φ = 81838784.

The previous prime is 313568483. The next prime is 313568531. The reversal of 313568490 is 94865313.

It is a Curzon 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, 109785 + ... + 112604.

It is an arithmetic number, because the mean of its divisors is an integer number (24018120).

Almost surely, 2313568490 is an apocalyptic number.

313568490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313568490 is an abundant number, since it is smaller than the sum of its proper divisors (455011350).

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

313568490 is a wasteful number, since it uses less digits than its factorization.

313568490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222446.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 313568490 is about 17707.8652016554. The cubic root of 313568490 is about 679.3769451552.

The spelling of 313568490 in words is "three hundred thirteen million, five hundred sixty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 222389 444778 667167 1111945 1334334 2223890 3335835 6671670 10452283 20904566 31356849 52261415 62713698 104522830 156784245 313568490