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8468257625 = 5397698413
BaseRepresentation
bin1111110001011111…
…10101101101011001
3210212011112001121022
413320233311231121
5114320333221000
63520144052225
7416565000512
oct77057655531
923764461538
108468257625
113656124323
121784004075
13a4c563139
145a4959a09
15348693585
hex1f8bf5b59

8468257625 has 16 divisors (see below), whose sum is σ = 10677353232. Its totient is φ = 6704755200.

The previous prime is 8468257621. The next prime is 8468257627. The reversal of 8468257625 is 5267528648.

It can be written as a sum of positive squares in 8 ways, for example, as 4818164569 + 3650093056 = 69413^2 + 60416^2 .

It is not a de Polignac number, because 8468257625 - 22 = 8468257621 is a prime.

It is a super-2 number, since 2×84682576252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8468257621) 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, 337082 + ... + 361331.

It is an arithmetic number, because the mean of its divisors is an integer number (667334577).

Almost surely, 28468257625 is an apocalyptic number.

It is an amenable number.

8468257625 is a deficient number, since it is larger than the sum of its proper divisors (2209095607).

8468257625 is an equidigital number, since it uses as much as digits as its factorization.

8468257625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698525 (or 698515 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 53.

The square root of 8468257625 is about 92023.1363571140. The cubic root of 8468257625 is about 2038.2839619344.

The spelling of 8468257625 in words is "eight billion, four hundred sixty-eight million, two hundred fifty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 97 125 485 2425 12125 698413 3492065 17460325 67746061 87301625 338730305 1693651525 8468257625