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10629681 = 33543227
BaseRepresentation
bin101000100011…
…001000110001
3202000001011220
4220203020301
510210122211
61015455253
7156231216
oct50431061
922001156
1010629681
116000267
123687529
13228236a
1415a9b0d
15dee806
hexa23231

10629681 has 4 divisors (see below), whose sum is σ = 14172912. Its totient is φ = 7086452.

The previous prime is 10629679. The next prime is 10629691. The reversal of 10629681 is 18692601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10629681 - 21 = 10629679 is a prime.

It is a super-2 number, since 2×106296812 = 225980236323522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10629601) 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, 1771611 + ... + 1771616.

It is an arithmetic number, because the mean of its divisors is an integer number (3543228).

Almost surely, 210629681 is an apocalyptic number.

It is an amenable number.

10629681 is a deficient number, since it is larger than the sum of its proper divisors (3543231).

10629681 is an equidigital number, since it uses as much as digits as its factorization.

10629681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543230.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 10629681 is about 3260.3191561563. The cubic root of 10629681 is about 219.8737636674.

The spelling of 10629681 in words is "ten million, six hundred twenty-nine thousand, six hundred eighty-one".

Divisors: 1 3 3543227 10629681