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10644634 = 2711132409
BaseRepresentation
bin101000100110…
…110010011010
3202000210200201
4220212302122
510211112014
61020052414
7156322630
oct50466232
922023621
1010644634
116010520
12369410a
132289100
1415b1350
15e03e74
hexa26c9a

10644634 has 48 divisors (see below), whose sum is σ = 21608640. Its totient is φ = 3818880.

The previous prime is 10644589. The next prime is 10644637. The reversal of 10644634 is 43644601.

It is a happy number.

It is a super-2 number, since 2×106446342 = 226616465987912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10644637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25822 + ... + 26230.

It is an arithmetic number, because the mean of its divisors is an integer number (450180).

Almost surely, 210644634 is an apocalyptic number.

10644634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10644634 is an abundant number, since it is smaller than the sum of its proper divisors (10964006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10644634 is a wasteful number, since it uses less digits than its factorization.

10644634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 10644634 is about 3262.6115306607. The cubic root of 10644634 is about 219.9768157387.

The spelling of 10644634 in words is "ten million, six hundred forty-four thousand, six hundred thirty-four".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 169 182 286 338 409 818 1001 1183 1859 2002 2366 2863 3718 4499 5317 5726 8998 10634 13013 26026 31493 37219 58487 62986 69121 74438 116974 138242 409409 483847 760331 818818 967694 1520662 5322317 10644634