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10257825 = 352233587
BaseRepresentation
bin100111001000…
…010110100001
3201022011002110
4213020112201
510111222300
61003505533
7153122124
oct47102641
921264073
1010257825
115876946
1235282a9
132182026
1415103bb
15d79550
hex9c85a1

10257825 has 24 divisors (see below), whose sum is σ = 17061408. Its totient is φ = 5438080.

The previous prime is 10257823. The next prime is 10257829. The reversal of 10257825 is 52875201.

It is not a de Polignac number, because 10257825 - 21 = 10257823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10257792 and 10257801.

It is not an unprimeable number, because it can be changed into a prime (10257823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17182 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (710892).

Almost surely, 210257825 is an apocalyptic number.

10257825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10257825 is a deficient number, since it is larger than the sum of its proper divisors (6803583).

10257825 is a wasteful number, since it uses less digits than its factorization.

10257825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 10257825 is about 3202.7839452576. The cubic root of 10257825 is about 217.2793375736.

The spelling of 10257825 in words is "ten million, two hundred fifty-seven thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 233 587 699 1165 1761 2935 3495 5825 8805 14675 17475 44025 136771 410313 683855 2051565 3419275 10257825