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316629823 is a prime number
BaseRepresentation
bin10010110111110…
…110001100111111
3211001210110110111
4102313312030333
51122024123243
651230250451
710563211006
oct2267661477
9731713414
10316629823
11152802744
128a056a27
13507a1233
14300a1c3d
151cbe639d
hex12df633f

316629823 has 2 divisors, whose sum is σ = 316629824. Its totient is φ = 316629822.

The previous prime is 316629821. The next prime is 316629853. The reversal of 316629823 is 328926613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316629823 - 21 = 316629821 is a prime.

It is a super-2 number, since 2×3166298232 = 200508889626022658, which contains 22 as substring.

Together with 316629821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316629821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158314911 + 158314912.

It is an arithmetic number, because the mean of its divisors is an integer number (158314912).

Almost surely, 2316629823 is an apocalyptic number.

316629823 is a deficient number, since it is larger than the sum of its proper divisors (1).

316629823 is an equidigital number, since it uses as much as digits as its factorization.

316629823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 316629823 is about 17794.0951722755. The cubic root of 316629823 is about 681.5806819475.

The spelling of 316629823 in words is "three hundred sixteen million, six hundred twenty-nine thousand, eight hundred twenty-three".