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5257631 = 3125471
BaseRepresentation
bin10100000011100110011111
3100220010010002
4110003212133
52321221011
6304404515
762455241
oct24034637
910803102
105257631
112a71155
12191673b
131121132
149ac091
156dcc3b
hex50399f

5257631 has 6 divisors (see below), whose sum is σ = 5433696. Its totient is φ = 5087100.

The previous prime is 5257627. The next prime is 5257711. The reversal of 5257631 is 1367525.

It is not a de Polignac number, because 5257631 - 22 = 5257627 is a prime.

It is a super-2 number, since 2×52576312 = 55285367464322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5257594 and 5257603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1775 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (905616).

Almost surely, 25257631 is an apocalyptic number.

5257631 is a deficient number, since it is larger than the sum of its proper divisors (176065).

5257631 is an equidigital number, since it uses as much as digits as its factorization.

5257631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533 (or 5502 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 5257631 is about 2292.9524635282. The cubic root of 5257631 is about 173.8854996026.

The spelling of 5257631 in words is "five million, two hundred fifty-seven thousand, six hundred thirty-one".

Divisors: 1 31 961 5471 169601 5257631