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18955102 = 217797057
BaseRepresentation
bin100100001001…
…1101101011110
31022200000111211
41020103231132
514323030402
61514135034
7320054455
oct110235536
938600454
1018955102
11a777281
12642147a
133c0894a
142735b9c
1519e64d7
hex1213b5e

18955102 has 16 divisors (see below), whose sum is σ = 30490560. Its totient is φ = 8805888.

The previous prime is 18955099. The next prime is 18955127. The reversal of 18955102 is 20155981.

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, 843 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (1905660).

Almost surely, 218955102 is an apocalyptic number.

18955102 is a deficient number, since it is larger than the sum of its proper divisors (11535458).

18955102 is a wasteful number, since it uses less digits than its factorization.

18955102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 18955102 is about 4353.7457436097. The cubic root of 18955102 is about 266.6298133099.

The spelling of 18955102 in words is "eighteen million, nine hundred fifty-five thousand, one hundred two".

Divisors: 1 2 17 34 79 158 1343 2686 7057 14114 119969 239938 557503 1115006 9477551 18955102