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18893034 = 233349871
BaseRepresentation
bin100100000010…
…0100011101010
31022112212101000
41020010203222
514314034114
61512535430
7316405506
oct110044352
938485330
1018893034
11a734686
1263b1576
133bb6614
14271b306
1519d2e09
hex12048ea

18893034 has 16 divisors (see below), whose sum is σ = 41984640. Its totient is φ = 6297660.

The previous prime is 18893033. The next prime is 18893053. The reversal of 18893034 is 43039881.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18893034.

It is not an unprimeable number, because it can be changed into a prime (18893033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174882 + ... + 174989.

It is an arithmetic number, because the mean of its divisors is an integer number (2624040).

Almost surely, 218893034 is an apocalyptic number.

18893034 is an abundant number, since it is smaller than the sum of its proper divisors (23091606).

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

18893034 is a wasteful number, since it uses less digits than its factorization.

18893034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349882 (or 349876 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 18893034 is about 4346.6117839071. The cubic root of 18893034 is about 266.3384708967.

The spelling of 18893034 in words is "eighteen million, eight hundred ninety-three thousand, thirty-four".

Divisors: 1 2 3 6 9 18 27 54 349871 699742 1049613 2099226 3148839 6297678 9446517 18893034