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8638106 = 215128603
BaseRepresentation
bin100000111100…
…111010011010
3121020212020212
4200330322122
54202404411
6505051122
7133264661
oct40747232
917225225
108638106
11496aa34
122a86aa2
131a35a09
14120bdd8
15b5968b
hex83ce9a

8638106 has 8 divisors (see below), whose sum is σ = 13043424. Its totient is φ = 4290300.

The previous prime is 8638067. The next prime is 8638117. The reversal of 8638106 is 6018368.

8638106 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14000 + ... + 14603.

It is an arithmetic number, because the mean of its divisors is an integer number (1630428).

Almost surely, 28638106 is an apocalyptic number.

8638106 is a deficient number, since it is larger than the sum of its proper divisors (4405318).

8638106 is a wasteful number, since it uses less digits than its factorization.

8638106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28756.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8638106 is about 2939.0654977390. The cubic root of 8638106 is about 205.1821185497.

The spelling of 8638106 in words is "eight million, six hundred thirty-eight thousand, one hundred six".

Divisors: 1 2 151 302 28603 57206 4319053 8638106