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18342804 = 2235712677
BaseRepresentation
bin100010111111…
…0001110010100
31021111220121010
41011332032110
514143432204
61453052220
7311624364
oct105761624
937456533
1018342804
11a399247
126187070
133a5303c
1426169a4
151924d89
hex117e394

18342804 has 24 divisors (see below), whose sum is σ = 42890848. Its totient is φ = 6101280.

The previous prime is 18342803. The next prime is 18342817. The reversal of 18342804 is 40824381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18342803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5514 + ... + 8190.

Almost surely, 218342804 is an apocalyptic number.

It is an amenable number.

18342804 is an abundant number, since it is smaller than the sum of its proper divisors (24548044).

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

18342804 is a wasteful number, since it uses less digits than its factorization.

18342804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 18342804 is about 4282.8499856988. The cubic root of 18342804 is about 263.7273930744.

The spelling of 18342804 in words is "eighteen million, three hundred forty-two thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 571 1142 1713 2284 2677 3426 5354 6852 8031 10708 16062 32124 1528567 3057134 4585701 6114268 9171402 18342804