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2925642625 = 53171376773
BaseRepresentation
bin1010111001100001…
…1100001110000001
321112220010001012021
42232120130032001
521442431031000
61202150401441
7132333360223
oct25630341601
97486101167
102925642625
1112714a3674
12697960281
1337817b5a9
141da7ac413
15121ca711a
hexae61c381

2925642625 has 16 divisors (see below), whose sum is σ = 3865981392. Its totient is φ = 2202835200.

The previous prime is 2925642623. The next prime is 2925642631. The reversal of 2925642625 is 5262465292.

It can be written as a sum of positive squares in 8 ways, for example, as 83046769 + 2842595856 = 9113^2 + 53316^2 .

It is not a de Polignac number, because 2925642625 - 21 = 2925642623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2925642623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686262 + ... + 690511.

It is an arithmetic number, because the mean of its divisors is an integer number (241623837).

Almost surely, 22925642625 is an apocalyptic number.

2925642625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2925642625 is a deficient number, since it is larger than the sum of its proper divisors (940338767).

2925642625 is a wasteful number, since it uses less digits than its factorization.

2925642625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376805 (or 1376795 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 2925642625 is about 54089.2098759078. The cubic root of 2925642625 is about 1430.2339788623.

The spelling of 2925642625 in words is "two billion, nine hundred twenty-five million, six hundred forty-two thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 2125 1376773 6883865 23405141 34419325 117025705 172096625 585128525 2925642625