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10856857 = 118111217
BaseRepresentation
bin101001011010…
…100110011001
3202102120210211
4221122212121
510234404412
61024411121
7161165434
oct51324631
922376724
1010856857
116145a10
123776aa1
13233189b
14162881b
15e46ca7
hexa5a999

10856857 has 8 divisors (see below), whose sum is σ = 11868192. Its totient is φ = 9849600.

The previous prime is 10856831. The next prime is 10856861. The reversal of 10856857 is 75865801.

10856857 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2k-10856857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10856827) 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, 8313 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (1483524).

Almost surely, 210856857 is an apocalyptic number.

It is an amenable number.

10856857 is a deficient number, since it is larger than the sum of its proper divisors (1011335).

10856857 is a wasteful number, since it uses less digits than its factorization.

10856857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 10856857 is about 3294.9745067299. The cubic root of 10856857 is about 221.4291056129.

It can be divided in two parts, 108 and 56857, that added together give a palindrome (56965).

The spelling of 10856857 in words is "ten million, eight hundred fifty-six thousand, eight hundred fifty-seven".

Divisors: 1 11 811 1217 8921 13387 986987 10856857