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10725725 = 521725237
BaseRepresentation
bin101000111010…
…100101011101
3202011220221002
4220322211131
510221210400
61021520045
7160111223
oct50724535
922156832
1010725725
11606643a
123713025
1322b6caa
1415d2b13
15e1ced5
hexa3a95d

10725725 has 12 divisors (see below), whose sum is σ = 14082804. Its totient is φ = 8075520.

The previous prime is 10725719. The next prime is 10725727. The reversal of 10725725 is 52752701.

It can be written as a sum of positive squares in 6 ways, for example, as 241081 + 10484644 = 491^2 + 3238^2 .

It is not a de Polignac number, because 10725725 - 214 = 10709341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10725727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12194 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (1173567).

Almost surely, 210725725 is an apocalyptic number.

It is an amenable number.

10725725 is a deficient number, since it is larger than the sum of its proper divisors (3357079).

10725725 is a wasteful number, since it uses less digits than its factorization.

10725725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25264 (or 25259 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 10725725 is about 3275.0152671400. The cubic root of 10725725 is about 220.5339989361.

The spelling of 10725725 in words is "ten million, seven hundred twenty-five thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 425 25237 126185 429029 630925 2145145 10725725