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103861806 = 23171018253
BaseRepresentation
bin1100011000011…
…00111000101110
321020102201121120
412030030320232
5203042034211
614150041410
72400545046
oct614147056
9236381546
10103861806
1153699a04
122a949266
13186964b9
14db18726
1591b8d06
hex630ce2e

103861806 has 16 divisors (see below), whose sum is σ = 219942864. Its totient is φ = 32584064.

The previous prime is 103861799. The next prime is 103861817. The reversal of 103861806 is 608168301.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 509025 + ... + 509228.

It is an arithmetic number, because the mean of its divisors is an integer number (13746429).

Almost surely, 2103861806 is an apocalyptic number.

103861806 is an abundant number, since it is smaller than the sum of its proper divisors (116081058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103861806 is a wasteful number, since it uses less digits than its factorization.

103861806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018275.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 103861806 is about 10191.2612565864. The cubic root of 103861806 is about 470.0585501225.

The spelling of 103861806 in words is "one hundred three million, eight hundred sixty-one thousand, eight hundred six".

Divisors: 1 2 3 6 17 34 51 102 1018253 2036506 3054759 6109518 17310301 34620602 51930903 103861806