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10644395 = 510919531
BaseRepresentation
bin101000100110…
…101110101011
3202000210100212
4220212232223
510211110040
61020051335
7156322136
oct50465653
922023325
1010644395
116010323
123693b4b
132288c78
1415b121d
15e03d65
hexa26bab

10644395 has 8 divisors (see below), whose sum is σ = 12891120. Its totient is φ = 8436960.

The previous prime is 10644383. The next prime is 10644401. The reversal of 10644395 is 59344601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10644395 - 212 = 10640299 is a prime.

It is a super-2 number, since 2×106443952 = 226606289832050, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9221 + ... + 10310.

It is an arithmetic number, because the mean of its divisors is an integer number (1611390).

Almost surely, 210644395 is an apocalyptic number.

10644395 is a deficient number, since it is larger than the sum of its proper divisors (2246725).

10644395 is a wasteful number, since it uses less digits than its factorization.

10644395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19645.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 10644395 is about 3262.5749033547. The cubic root of 10644395 is about 219.9751693739.

Adding to 10644395 its reverse (59344601), we get a palindrome (69988996).

The spelling of 10644395 in words is "ten million, six hundred forty-four thousand, three hundred ninety-five".

Divisors: 1 5 109 545 19531 97655 2128879 10644395