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18104344 = 2318112503
BaseRepresentation
bin100010100010…
…0000000011000
31021001210111021
41011010000120
514113314334
61444012224
7306612226
oct105040030
937053437
1018104344
11a246075
126091074
13399b63b
142593b16
1518c93b4
hex1144018

18104344 has 16 divisors (see below), whose sum is σ = 34135920. Its totient is φ = 9001440.

The previous prime is 18104287. The next prime is 18104347. The reversal of 18104344 is 44340181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4804 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (2133495).

Almost surely, 218104344 is an apocalyptic number.

It is an amenable number.

18104344 is a deficient number, since it is larger than the sum of its proper divisors (16031576).

18104344 is a wasteful number, since it uses less digits than its factorization.

18104344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690 (or 12686 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 18104344 is about 4254.9199757457. The cubic root of 18104344 is about 262.5795689248.

The spelling of 18104344 in words is "eighteen million, one hundred four thousand, three hundred forty-four".

Divisors: 1 2 4 8 181 362 724 1448 12503 25006 50012 100024 2263043 4526086 9052172 18104344