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8481925 = 521572161
BaseRepresentation
bin100000010110…
…110010000101
3120221221000101
4200112302011
54132410200
6501444101
7132044434
oct40266205
916857011
108481925
114873661
122a10631
1319ac8ba
1411ab11b
15b2826a
hex816c85

8481925 has 12 divisors (see below), whose sum is σ = 10589476. Its totient is φ = 6739200.

The previous prime is 8481911. The next prime is 8481937. The reversal of 8481925 is 5291848.

8481925 is digitally balanced in base 3, 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 285156 + 8196769 = 534^2 + 2863^2 .

It is not a de Polignac number, because 8481925 - 29 = 8481413 is a prime.

It is a Duffinian number.

It is a congruent 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, 2845 + ... + 5005.

Almost surely, 28481925 is an apocalyptic number.

It is an amenable number.

8481925 is a deficient number, since it is larger than the sum of its proper divisors (2107551).

8481925 is a wasteful number, since it uses less digits than its factorization.

8481925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2323 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 8481925 is about 2912.3744608137. The cubic root of 8481925 is about 203.9379937783.

The spelling of 8481925 in words is "eight million, four hundred eighty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 157 785 2161 3925 10805 54025 339277 1696385 8481925