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10855 = 513167
BaseRepresentation
bin10101001100111
3112220001
42221213
5321410
6122131
743435
oct25147
915801
1010855
118179
126347
134c30
143d55
15333a
hex2a67

10855 has 8 divisors (see below), whose sum is σ = 14112. Its totient is φ = 7968.

The previous prime is 10853. The next prime is 10859. The reversal of 10855 is 55801.

10855 = 402 + 412 + ... + 452.

10855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10855 - 21 = 10853 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 (10853) 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, 19 + ... + 148.

It is an arithmetic number, because the mean of its divisors is an integer number (1764).

210855 is an apocalyptic number.

10855 is a deficient number, since it is larger than the sum of its proper divisors (3257).

10855 is a wasteful number, since it uses less digits than its factorization.

10855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 10855 is about 104.1873312836. The cubic root of 10855 is about 22.1416480188.

The spelling of 10855 in words is "ten thousand, eight hundred fifty-five".

Divisors: 1 5 13 65 167 835 2171 10855