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316323037 = 1991589563
BaseRepresentation
bin10010110110101…
…011010011011101
3211001012212122001
4102312223103131
51121434314122
651215522301
710560462412
oct2266532335
9731185561
10316323037
111526131a8
1289b29391
13506c46c4
1430022109
151cb85527
hex12dab4dd

316323037 has 4 divisors (see below), whose sum is σ = 317912800. Its totient is φ = 314733276.

The previous prime is 316322969. The next prime is 316323041. The reversal of 316323037 is 730323613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730323613 = 3472104679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-316323037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316322996 and 316323014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316326037) 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 3 ways as a sum of consecutive naturals, for example, 794583 + ... + 794980.

It is an arithmetic number, because the mean of its divisors is an integer number (79478200).

Almost surely, 2316323037 is an apocalyptic number.

It is an amenable number.

316323037 is a deficient number, since it is larger than the sum of its proper divisors (1589763).

316323037 is a wasteful number, since it uses less digits than its factorization.

316323037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589762.

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 316323037 is about 17785.4726392075. The cubic root of 316323037 is about 681.3604805586.

The spelling of 316323037 in words is "three hundred sixteen million, three hundred twenty-three thousand, thirty-seven".

Divisors: 1 199 1589563 316323037