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10025109 = 325321017
BaseRepresentation
bin100110001111…
…100010010101
3200212022212100
4212033202111
510031300414
6554512313
7151132503
oct46174225
920768770
1010025109
115728016
123435699
132100123
14148d673
15d30609
hex98f895

10025109 has 12 divisors (see below), whose sum is σ = 14754636. Its totient is φ = 6556992.

The previous prime is 10025107. The next prime is 10025117. The reversal of 10025109 is 90152001.

10025109 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 2 ways, for example, as 2490084 + 7535025 = 1578^2 + 2745^2 .

It is not a de Polignac number, because 10025109 - 21 = 10025107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10025091 and 10025100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10025101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10032 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (1229553).

Almost surely, 210025109 is an apocalyptic number.

It is an amenable number.

10025109 is a deficient number, since it is larger than the sum of its proper divisors (4729527).

10025109 is a wasteful number, since it uses less digits than its factorization.

10025109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21076 (or 21073 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 10025109 is about 3166.2452526613. The cubic root of 10025109 is about 215.6236372945.

The spelling of 10025109 in words is "ten million, twenty-five thousand, one hundred nine".

Divisors: 1 3 9 53 159 477 21017 63051 189153 1113901 3341703 10025109