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18914684 = 227166601
BaseRepresentation
bin100100000100…
…1110101111100
31022120222001212
41020021311330
514320232214
61513223552
7316525565
oct110116574
938528055
1018914684
11a749978
126401bb8
133bc3429
14272516c
1519d953e
hex1209d7c

18914684 has 12 divisors (see below), whose sum is σ = 33567408. Its totient is φ = 9324000.

The previous prime is 18914677. The next prime is 18914719. The reversal of 18914684 is 48641981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33017 + ... + 33584.

It is an arithmetic number, because the mean of its divisors is an integer number (2797284).

Almost surely, 218914684 is an apocalyptic number.

It is an amenable number.

18914684 is a deficient number, since it is larger than the sum of its proper divisors (14652724).

18914684 is a wasteful number, since it uses less digits than its factorization.

18914684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66676 (or 66674 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 18914684 is about 4349.1015164054. The cubic root of 18914684 is about 266.4401666989.

The spelling of 18914684 in words is "eighteen million, nine hundred fourteen thousand, six hundred eighty-four".

Divisors: 1 2 4 71 142 284 66601 133202 266404 4728671 9457342 18914684