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10630909 = 97109597
BaseRepresentation
bin101000100011…
…011011111101
3202000002212101
4220203123331
510210142114
61015505101
7156234622
oct50433375
922002771
1010630909
116001183
123688191
132282aa3
1415aa349
15deed74
hexa236fd

10630909 has 4 divisors (see below), whose sum is σ = 10740604. Its totient is φ = 10521216.

The previous prime is 10630903. The next prime is 10630979. The reversal of 10630909 is 90903601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8732025 + 1898884 = 2955^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 10630909 - 29 = 10630397 is a prime.

It is a super-2 number, since 2×106309092 = 226032452332562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10630903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54702 + ... + 54895.

It is an arithmetic number, because the mean of its divisors is an integer number (2685151).

Almost surely, 210630909 is an apocalyptic number.

It is an amenable number.

10630909 is a deficient number, since it is larger than the sum of its proper divisors (109695).

10630909 is an equidigital number, since it uses as much as digits as its factorization.

10630909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109694.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 10630909 is about 3260.5074758387. The cubic root of 10630909 is about 219.8822303556.

The spelling of 10630909 in words is "ten million, six hundred thirty thousand, nine hundred nine".

Divisors: 1 97 109597 10630909