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10855085 = 52171017
BaseRepresentation
bin101001011010…
…001010101101
3202102111101012
4221122022231
510234330320
61024355005
7161160323
oct51321255
922374335
1010855085
11614464a
123775a65
132330b37
141627d13
15e464c5
hexa5a2ad

10855085 has 4 divisors (see below), whose sum is σ = 13026108. Its totient is φ = 8684064.

The previous prime is 10855069. The next prime is 10855087. The reversal of 10855085 is 58055801.

10855085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58055801 = 349166349.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 7279204 = 1891^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 10855085 - 24 = 10855069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10855087) 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, 1085504 + ... + 1085513.

It is an arithmetic number, because the mean of its divisors is an integer number (3256527).

Almost surely, 210855085 is an apocalyptic number.

It is an amenable number.

10855085 is a deficient number, since it is larger than the sum of its proper divisors (2171023).

10855085 is an equidigital number, since it uses as much as digits as its factorization.

10855085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171022.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 10855085 is about 3294.7056014157. The cubic root of 10855085 is about 221.4170581200.

The spelling of 10855085 in words is "ten million, eight hundred fifty-five thousand, eighty-five".

Divisors: 1 5 2171017 10855085