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10890806 = 25445403
BaseRepresentation
bin101001100010…
…111000110110
3202111022101012
4221202320312
510242001211
61025232222
7161366423
oct51427066
922438335
1010890806
116169473
123792672
132344184
141636d4a
15e51d8b
hexa62e36

10890806 has 4 divisors (see below), whose sum is σ = 16336212. Its totient is φ = 5445402.

The previous prime is 10890791. The next prime is 10890821. The reversal of 10890806 is 60809801.

10890806 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: 60809801 = 134677677.

It is an interprime number because it is at equal distance from previous prime (10890791) and next prime (10890821).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722700 + ... + 2722703.

It is an arithmetic number, because the mean of its divisors is an integer number (4084053).

Almost surely, 210890806 is an apocalyptic number.

10890806 is a deficient number, since it is larger than the sum of its proper divisors (5445406).

10890806 is an equidigital number, since it uses as much as digits as its factorization.

10890806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445405.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 10890806 is about 3300.1221189526. The cubic root of 10890806 is about 221.6596657358.

The spelling of 10890806 in words is "ten million, eight hundred ninety thousand, eight hundred six".

Divisors: 1 2 5445403 10890806