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10808425 = 52432337
BaseRepresentation
bin101001001110…
…110001101001
3202100010101001
4221032301221
510231332200
61023355001
7160604305
oct51166151
922303331
1010808425
116112591
123752a61
132315824
141614d05
15e3776a
hexa4ec69

10808425 has 6 divisors (see below), whose sum is σ = 13402478. Its totient is φ = 8646720.

The previous prime is 10808423. The next prime is 10808443. The reversal of 10808425 is 52480801.

10808425 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 3 ways, for example, as 69696 + 10738729 = 264^2 + 3277^2 .

It is not a de Polignac number, because 10808425 - 21 = 10808423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10808393 and 10808402.

It is not an unprimeable number, because it can be changed into a prime (10808423) 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, 216144 + ... + 216193.

Almost surely, 210808425 is an apocalyptic number.

It is an amenable number.

10808425 is a deficient number, since it is larger than the sum of its proper divisors (2594053).

10808425 is an equidigital number, since it uses as much as digits as its factorization.

10808425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432347 (or 432342 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 10808425 is about 3287.6169180730. The cubic root of 10808425 is about 221.0993526926.

The spelling of 10808425 in words is "ten million, eight hundred eight thousand, four hundred twenty-five".

Divisors: 1 5 25 432337 2161685 10808425