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10864885 = 52172977
BaseRepresentation
bin101001011100…
…100011110101
3202102222211011
4221130203311
510240134020
61024512221
7161231023
oct51344365
922388734
1010864885
116150a49
12377b671
132335435
14162b713
15e4935a
hexa5c8f5

10864885 has 4 divisors (see below), whose sum is σ = 13037868. Its totient is φ = 8691904.

The previous prime is 10864883. The next prime is 10864907. The reversal of 10864885 is 58846801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 6160324 = 2169^2 + 2482^2 .

It is a cyclic number.

It is not a de Polignac number, because 10864885 - 21 = 10864883 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10864883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086484 + ... + 1086493.

It is an arithmetic number, because the mean of its divisors is an integer number (3259467).

Almost surely, 210864885 is an apocalyptic number.

It is an amenable number.

10864885 is a deficient number, since it is larger than the sum of its proper divisors (2172983).

10864885 is an equidigital number, since it uses as much as digits as its factorization.

10864885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172982.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 10864885 is about 3296.1925004465. The cubic root of 10864885 is about 221.4836700505.

The spelling of 10864885 in words is "ten million, eight hundred sixty-four thousand, eight hundred eighty-five".

Divisors: 1 5 2172977 10864885