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10641 = 33547
BaseRepresentation
bin10100110010001
3112121010
42212101
5320031
6121133
743011
oct24621
915533
1010641
117aa4
1261a9
134ac7
143c41
153246
hex2991

10641 has 4 divisors (see below), whose sum is σ = 14192. Its totient is φ = 7092.

The previous prime is 10639. The next prime is 10651. The reversal of 10641 is 14601.

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 not a de Polignac number, because 10641 - 21 = 10639 is a prime.

It is a super-2 number, since 2×106412 = 226461762, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10601) 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, 1771 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (3548).

210641 is an apocalyptic number.

It is an amenable number.

10641 is a deficient number, since it is larger than the sum of its proper divisors (3551).

10641 is an equidigital number, since it uses as much as digits as its factorization.

10641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10641 is about 103.1552228440. The cubic root of 10641 is about 21.9951780065.

The spelling of 10641 in words is "ten thousand, six hundred forty-one".

Divisors: 1 3 3547 10641