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18119708 = 225937639
BaseRepresentation
bin100010100011…
…1110000011100
31021002120120022
41011013300130
514114312313
61444211312
7310005065
oct105076034
937076508
1018119708
11a256672
126099b38
1339a5629
14259956c
1518cdc08
hex1147c1c

18119708 has 12 divisors (see below), whose sum is σ = 31767120. Its totient is φ = 9043392.

The previous prime is 18119707. The next prime is 18119719. The reversal of 18119708 is 80791181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18119707) 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 3 ways as a sum of consecutive naturals, for example, 1448 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (2647260).

Almost surely, 218119708 is an apocalyptic number.

It is an amenable number.

18119708 is a deficient number, since it is larger than the sum of its proper divisors (13647412).

18119708 is a wasteful number, since it uses less digits than its factorization.

18119708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236 (or 8234 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 18119708 is about 4256.7250322284. The cubic root of 18119708 is about 262.6538260906.

The spelling of 18119708 in words is "eighteen million, one hundred nineteen thousand, seven hundred eight".

Divisors: 1 2 4 593 1186 2372 7639 15278 30556 4529927 9059854 18119708