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313981733 = 1331779111
BaseRepresentation
bin10010101101101…
…111101100100101
3210212210220222002
4102231233230211
51120334403413
651053415045
710531541432
oct2255575445
9725726862
10313981733
1115126413a
128919a485
1350084b10
142d9b2b89
151c871958
hex12b6fb25

313981733 has 8 divisors (see below), whose sum is σ = 349042176. Its totient is φ = 280479600.

The previous prime is 313981729. The next prime is 313981747. The reversal of 313981733 is 337189313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313981733 - 22 = 313981729 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313981933) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 389153 + ... + 389958.

It is an arithmetic number, because the mean of its divisors is an integer number (43630272).

Almost surely, 2313981733 is an apocalyptic number.

It is an amenable number.

313981733 is a deficient number, since it is larger than the sum of its proper divisors (35060443).

313981733 is a wasteful number, since it uses less digits than its factorization.

313981733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779155.

The product of its digits is 40824, while the sum is 38.

The square root of 313981733 is about 17719.5297059487. The cubic root of 313981733 is about 679.6752580026.

The spelling of 313981733 in words is "three hundred thirteen million, nine hundred eighty-one thousand, seven hundred thirty-three".

Divisors: 1 13 31 403 779111 10128443 24152441 313981733