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18115084 = 2213348367
BaseRepresentation
bin100010100011…
…0101000001100
31021002100020001
41011012220030
514114140314
61444134044
7306655441
oct105065014
937070201
1018115084
11a253149
126097324
1339a34b0
1425979c8
1518cc674
hex1146a0c

18115084 has 12 divisors (see below), whose sum is σ = 34140064. Its totient is φ = 8360784.

The previous prime is 18115079. The next prime is 18115091. The reversal of 18115084 is 48051181.

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, 174132 + ... + 174235.

Almost surely, 218115084 is an apocalyptic number.

It is an amenable number.

18115084 is a deficient number, since it is larger than the sum of its proper divisors (16024980).

18115084 is a wasteful number, since it uses less digits than its factorization.

18115084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348384 (or 348382 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 18115084 is about 4256.1818570169. The cubic root of 18115084 is about 262.6314818266.

The spelling of 18115084 in words is "eighteen million, one hundred fifteen thousand, eighty-four".

Divisors: 1 2 4 13 26 52 348367 696734 1393468 4528771 9057542 18115084