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2925920688 = 243243725013
BaseRepresentation
bin1010111001100110…
…0000000110110000
321112220122011121220
42232121200012300
521443013430223
61202200345040
7132335626005
oct25631400660
97486564556
102925920688
111271673579
12697a75180
13378248022
141da8418ac
15121d0e6e3
hexae6601b0

2925920688 has 40 divisors (see below), whose sum is σ = 7562032368. Its totient is φ = 974867712.

The previous prime is 2925920651. The next prime is 2925920717. The reversal of 2925920688 is 8860295292.

It is a super-2 number, since 2×29259206882 = 17122023744932786688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2925920688.

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 7 ways as a sum of consecutive naturals, for example, 104470 + ... + 129482.

Almost surely, 22925920688 is an apocalyptic number.

It is an amenable number.

2925920688 is an abundant number, since it is smaller than the sum of its proper divisors (4636111680).

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

2925920688 is a wasteful number, since it uses less digits than its factorization.

2925920688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27461 (or 27455 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 2925920688 is about 54091.7802258347. The cubic root of 2925920688 is about 1430.2792888566.

The spelling of 2925920688 in words is "two billion, nine hundred twenty-five million, nine hundred twenty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2437 4874 7311 9748 14622 19496 25013 29244 38992 50026 58488 75039 100052 116976 150078 200104 300156 400208 600312 1200624 60956681 121913362 182870043 243826724 365740086 487653448 731480172 975306896 1462960344 2925920688