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10885 = 57311
BaseRepresentation
bin10101010000101
3112221011
42222011
5322020
6122221
743510
oct25205
915834
1010885
1181a6
126371
134c54
143d77
15335a
hex2a85

10885 has 8 divisors (see below), whose sum is σ = 14976. Its totient is φ = 7440.

The previous prime is 10883. The next prime is 10889. The reversal of 10885 is 58801.

10885 is nontrivially palindromic in base 6.

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

It is not a de Polignac number, because 10885 - 21 = 10883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 190.

It is an arithmetic number, because the mean of its divisors is an integer number (1872).

210885 is an apocalyptic number.

It is an amenable number.

10885 is a deficient number, since it is larger than the sum of its proper divisors (4091).

10885 is an equidigital number, since it uses as much as digits as its factorization.

10885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 10885 is about 104.3312033861. The cubic root of 10885 is about 22.1620269056.

It can be divided in two parts, 108 and 85, that multiplied together give a triangular number (9180 = T135).

The spelling of 10885 in words is "ten thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 311 1555 2177 10885