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18379107 = 322042123
BaseRepresentation
bin100011000011…
…1000101100011
31021120202101200
41012013011203
514201112412
61453532243
7312135255
oct106070543
937522350
1018379107
11a41354a
1261a4083
133a66716
142625cd5
1519309dc
hex1187163

18379107 has 6 divisors (see below), whose sum is σ = 26547612. Its totient is φ = 12252732.

The previous prime is 18379079. The next prime is 18379147. The reversal of 18379107 is 70197381.

It is not a de Polignac number, because 18379107 - 27 = 18378979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18379147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021053 + ... + 1021070.

It is an arithmetic number, because the mean of its divisors is an integer number (4424602).

Almost surely, 218379107 is an apocalyptic number.

18379107 is a deficient number, since it is larger than the sum of its proper divisors (8168505).

18379107 is a wasteful number, since it uses less digits than its factorization.

18379107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042129 (or 2042126 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 18379107 is about 4287.0860733137. The cubic root of 18379107 is about 263.9012630077.

The spelling of 18379107 in words is "eighteen million, three hundred seventy-nine thousand, one hundred seven".

Divisors: 1 3 9 2042123 6126369 18379107