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313849270 = 25731612371
BaseRepresentation
bin10010101101001…
…111010110110110
3210212120012021001
4102231033112312
51120321134040
651050513514
710530450310
oct2255172666
9725505231
10313849270
11151183669
128913589a
1350039737
142d97a7b0
151c84759a
hex12b4f5b6

313849270 has 64 divisors (see below), whose sum is σ = 677670912. Its totient is φ = 102384000.

The previous prime is 313849267. The next prime is 313849307. The reversal of 313849270 is 72948313.

313849270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131185 + ... + 133555.

It is an arithmetic number, because the mean of its divisors is an integer number (10588608).

Almost surely, 2313849270 is an apocalyptic number.

313849270 is an abundant number, since it is smaller than the sum of its proper divisors (363821642).

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

313849270 is a wasteful number, since it uses less digits than its factorization.

313849270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 313849270 is about 17715.7915431403. The cubic root of 313849270 is about 679.5796638134.

The spelling of 313849270 in words is "three hundred thirteen million, eight hundred forty-nine thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 31 35 61 62 70 122 155 217 305 310 427 434 610 854 1085 1891 2135 2170 2371 3782 4270 4742 9455 11855 13237 16597 18910 23710 26474 33194 66185 73501 82985 132370 144631 147002 165970 289262 367505 514507 723155 735010 1012417 1029014 1446310 2024834 2572535 4483561 5062085 5145070 8967122 10124170 22417805 31384927 44835610 62769854 156924635 313849270