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315723996 = 223271252873
BaseRepresentation
bin10010110100011…
…001000011011100
3211000002102220100
4102310121003130
51121311131441
651155021100
710552416060
oct2264310334
9730072810
10315723996
11152244125
128989a790
1350544b43
142dd07aa0
151cab7cb6
hex12d190dc

315723996 has 36 divisors (see below), whose sum is σ = 912092272. Its totient is φ = 90206784.

The previous prime is 315723977. The next prime is 315724009. The reversal of 315723996 is 699327513.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 in 11 ways as a sum of consecutive naturals, for example, 626185 + ... + 626688.

Almost surely, 2315723996 is an apocalyptic number.

315723996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

315723996 is an abundant number, since it is smaller than the sum of its proper divisors (596368276).

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

315723996 is a wasteful number, since it uses less digits than its factorization.

315723996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252890 (or 1252885 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 315723996 is about 17768.6239197075. The cubic root of 315723996 is about 680.9300969086.

The spelling of 315723996 in words is "three hundred fifteen million, seven hundred twenty-three thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 1252873 2505746 3758619 5011492 7517238 8770111 11275857 15034476 17540222 22551714 26310333 35080444 45103428 52620666 78930999 105241332 157861998 315723996