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1608630056 = 231137494051
BaseRepresentation
bin101111111100001…
…1011111100101000
311011002220212120222
41133320123330220
511243302130211
6423342305212
754602062355
oct13770337450
94132825528
101608630056
11756036630
1238a888208
131c8367c07
141138dd62c
15963561db
hex5fe1bf28

1608630056 has 32 divisors (see below), whose sum is σ = 3379315680. Its totient is φ = 711432000.

The previous prime is 1608630053. The next prime is 1608630059. The reversal of 1608630056 is 6500368061.

It is an interprime number because it is at equal distance from previous prime (1608630053) and next prime (1608630059).

It is a junction number, because it is equal to n+sod(n) for n = 1608629998 and 1608630025.

It is not an unprimeable number, because it can be changed into a prime (1608630053) 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 in 7 ways as a sum of consecutive naturals, for example, 243770 + ... + 250281.

It is an arithmetic number, because the mean of its divisors is an integer number (105603615).

Almost surely, 21608630056 is an apocalyptic number.

It is an amenable number.

1608630056 is an abundant number, since it is smaller than the sum of its proper divisors (1770685624).

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

1608630056 is a wasteful number, since it uses less digits than its factorization.

1608630056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494105 (or 494101 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1608630056 is about 40107.7306264017. The cubic root of 1608630056 is about 1171.7061955003.

The spelling of 1608630056 in words is "one billion, six hundred eight million, six hundred thirty thousand, fifty-six".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1628 3256 494051 988102 1976204 3952408 5434561 10869122 18279887 21738244 36559774 43476488 73119548 146239096 201078757 402157514 804315028 1608630056