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10643488 = 251312539
BaseRepresentation
bin101000100110…
…100000100000
3202000202010021
4220212200200
510211042423
61020043224
7156316402
oct50464040
922022107
1010643488
11600a679
123693514
13228872b
1415b0b72
15e0395d
hexa26820

10643488 has 24 divisors (see below), whose sum is σ = 21122640. Its totient is φ = 5279040.

The previous prime is 10643483. The next prime is 10643497. The reversal of 10643488 is 88434601.

It is a super-2 number, since 2×106434882 = 226567673612288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10643483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2923 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (880110).

Almost surely, 210643488 is an apocalyptic number.

It is an amenable number.

10643488 is a deficient number, since it is larger than the sum of its proper divisors (10479152).

10643488 is a wasteful number, since it uses less digits than its factorization.

10643488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 10643488 is about 3262.4358997534. The cubic root of 10643488 is about 219.9689212296.

The spelling of 10643488 in words is "ten million, six hundred forty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 131 262 524 1048 2096 2539 4192 5078 10156 20312 40624 81248 332609 665218 1330436 2660872 5321744 10643488