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315813005 = 5246725603
BaseRepresentation
bin10010110100101…
…110110010001101
3211000020221222222
4102310232302031
51121322004010
651200545125
710553236424
oct2264566215
9730227888
10315813005
111522a4a92
12899221a5
1350576501
142dd2c2bb
151cad4355
hex12d2ec8d

315813005 has 8 divisors (see below), whose sum is σ = 379144032. Its totient is φ = 252538128.

The previous prime is 315812999. The next prime is 315813011. The reversal of 315813005 is 500318513.

It is an interprime number because it is at equal distance from previous prime (315812999) and next prime (315813011).

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 315813005 - 218 = 315550861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 25136.

It is an arithmetic number, because the mean of its divisors is an integer number (47393004).

Almost surely, 2315813005 is an apocalyptic number.

It is an amenable number.

315813005 is a deficient number, since it is larger than the sum of its proper divisors (63331027).

315813005 is a wasteful number, since it uses less digits than its factorization.

315813005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28075.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 315813005 is about 17771.1284109929. The cubic root of 315813005 is about 680.9940802327.

The spelling of 315813005 in words is "three hundred fifteen million, eight hundred thirteen thousand, five".

Divisors: 1 5 2467 12335 25603 128015 63162601 315813005