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313713236 = 2278428309
BaseRepresentation
bin10010101100101…
…110001001010100
3210212022021122202
4102230232021110
51120302310421
651043544032
710526342564
oct2254561124
9725267582
10313713236
111510a0441
128908b018
134ccbc845
142d942da4
151c81c10b
hex12b2e254

313713236 has 6 divisors (see below), whose sum is σ = 548998170. Its totient is φ = 156856616.

The previous prime is 313713217. The next prime is 313713247. The reversal of 313713236 is 632317313.

It can be written as a sum of positive squares in only one way, i.e., 311310736 + 2402500 = 17644^2 + 1550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313713199 and 313713208.

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 as a sum of consecutive naturals, namely, 39214151 + ... + 39214158.

It is an arithmetic number, because the mean of its divisors is an integer number (91499695).

Almost surely, 2313713236 is an apocalyptic number.

It is an amenable number.

313713236 is a deficient number, since it is larger than the sum of its proper divisors (235284934).

313713236 is a wasteful number, since it uses less digits than its factorization.

313713236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78428313 (or 78428311 counting only the distinct ones).

The product of its digits is 6804, while the sum is 29.

The square root of 313713236 is about 17711.9517840355. The cubic root of 313713236 is about 679.4814645518.

The spelling of 313713236 in words is "three hundred thirteen million, seven hundred thirteen thousand, two hundred thirty-six".

Divisors: 1 2 4 78428309 156856618 313713236