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10989607 = 23477809
BaseRepresentation
bin101001111011…
…000000100111
3202200022220111
4221323000213
510303131412
61031313451
7162260446
oct51730047
922608814
1010989607
116226722
12381b887
13237a135
141660d5d
15e712a7
hexa7b027

10989607 has 4 divisors (see below), whose sum is σ = 11467440. Its totient is φ = 10511776.

The previous prime is 10989571. The next prime is 10989617. The reversal of 10989607 is 70698901.

10989607 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.

It is a cyclic number.

It is not a de Polignac number, because 10989607 - 215 = 10956839 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 self number, because there is not a number n which added to its sum of digits gives 10989607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989617) 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, 238882 + ... + 238927.

It is an arithmetic number, because the mean of its divisors is an integer number (2866860).

Almost surely, 210989607 is an apocalyptic number.

10989607 is a deficient number, since it is larger than the sum of its proper divisors (477833).

10989607 is an equidigital number, since it uses as much as digits as its factorization.

10989607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477832.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 10989607 is about 3315.0576163922. The cubic root of 10989607 is about 222.3279450922.

The spelling of 10989607 in words is "ten million, nine hundred eighty-nine thousand, six hundred seven".

Divisors: 1 23 477809 10989607