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315561004 = 221117439811
BaseRepresentation
bin10010110011110…
…001010000101100
3210222210011022121
4102303301100230
51121240423004
651151322324
710551136633
oct2263612054
9728704277
10315561004
11152142720
12898203a4
13504b88b5
142dca451a
151ca84854
hex12cf142c

315561004 has 48 divisors (see below), whose sum is σ = 652772736. Its totient is φ = 131846400.

The previous prime is 315560963. The next prime is 315561013. The reversal of 315561004 is 400165513.

It is a self number, because there is not a number n which added to its sum of digits gives 315561004.

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 15 ways as a sum of consecutive naturals, for example, 27259 + ... + 37069.

It is an arithmetic number, because the mean of its divisors is an integer number (13599432).

Almost surely, 2315561004 is an apocalyptic number.

315561004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

315561004 is an abundant number, since it is smaller than the sum of its proper divisors (337211732).

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

315561004 is a wasteful number, since it uses less digits than its factorization.

315561004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886 (or 9884 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 315561004 is about 17764.0368159943. The cubic root of 315561004 is about 680.8129003867.

The spelling of 315561004 in words is "three hundred fifteen million, five hundred sixty-one thousand, four".

Divisors: 1 2 4 11 17 22 34 43 44 68 86 172 187 374 473 731 748 946 1462 1892 2924 8041 9811 16082 19622 32164 39244 107921 166787 215842 333574 421873 431684 667148 843746 1687492 1834657 3669314 4640603 7171841 7338628 9281206 14343682 18562412 28687364 78890251 157780502 315561004