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18469468 = 2237312379
BaseRepresentation
bin100011001110…
…1001001011100
31021202100100101
41012131021130
514212010333
61455510444
7312662563
oct106351134
937670311
1018469468
11a475426
126228424
133a988a4
14264abda
15194c67d
hex119d25c

18469468 has 12 divisors (see below), whose sum is σ = 32410840. Its totient is φ = 9209232.

The previous prime is 18469457. The next prime is 18469471. The reversal of 18469468 is 86496481.

It is a super-2 number, since 2×184694682 = 682242496406048, which contains 22 as substring.

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, 4698 + ... + 7681.

Almost surely, 218469468 is an apocalyptic number.

It is an amenable number.

18469468 is a deficient number, since it is larger than the sum of its proper divisors (13941372).

18469468 is a wasteful number, since it uses less digits than its factorization.

18469468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756 (or 12754 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 18469468 is about 4297.6118949947. The cubic root of 18469468 is about 264.3330469191. Note that the first 3 decimals are identical.

The spelling of 18469468 in words is "eighteen million, four hundred sixty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 373 746 1492 12379 24758 49516 4617367 9234734 18469468