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10287425 = 521572621
BaseRepresentation
bin100111001111…
…100101000001
3201100122200202
4213033211001
510113144200
61004254545
7153304331
oct47174501
921318622
1010287425
115897105
123541455
132192645
14151b0c1
15d831d5
hex9cf941

10287425 has 12 divisors (see below), whose sum is σ = 12842556. Its totient is φ = 8174400.

The previous prime is 10287401. The next prime is 10287439. The reversal of 10287425 is 52478201.

10287425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 53824 + 10233601 = 232^2 + 3199^2 .

It is not a de Polignac number, because 10287425 - 210 = 10286401 is a prime.

It is a super-2 number, since 2×102874252 = 211662226261250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2615 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (1070213).

Almost surely, 210287425 is an apocalyptic number.

It is an amenable number.

10287425 is a deficient number, since it is larger than the sum of its proper divisors (2555131).

10287425 is a wasteful number, since it uses less digits than its factorization.

10287425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 10287425 is about 3207.4015963081. The cubic root of 10287425 is about 217.4881307655.

The spelling of 10287425 in words is "ten million, two hundred eighty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 157 785 2621 3925 13105 65525 411497 2057485 10287425