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18934102 = 211860641
BaseRepresentation
bin100100000111…
…0100101010110
31022121221201001
41020032211112
514321342402
61513453514
7316636315
oct110164526
938557631
1018934102
11a762520
12641129a
133bcc215
14272c27c
1519e0187
hex120e956

18934102 has 8 divisors (see below), whose sum is σ = 30983112. Its totient is φ = 8606400.

The previous prime is 18934081. The next prime is 18934117. The reversal of 18934102 is 20143981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 430299 + ... + 430342.

It is an arithmetic number, because the mean of its divisors is an integer number (3872889).

Almost surely, 218934102 is an apocalyptic number.

18934102 is a deficient number, since it is larger than the sum of its proper divisors (12049010).

18934102 is a wasteful number, since it uses less digits than its factorization.

18934102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860654.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 18934102 is about 4351.3333588683. Note that the first 4 decimals coincide. The cubic root of 18934102 is about 266.5313122113.

It can be divided in two parts, 1893 and 4102, that added together give a palindrome (5995).

The spelling of 18934102 in words is "eighteen million, nine hundred thirty-four thousand, one hundred two".

Divisors: 1 2 11 22 860641 1721282 9467051 18934102