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18251034 = 2329104891
BaseRepresentation
bin100010110011…
…1110100011010
31021100020201020
41011213310122
514133013114
61451103310
7311063004
oct105476432
937306636
1018251034
11a3362aa
126141b36
133a20339
1425d1374
151907aa9
hex1167d1a

18251034 has 16 divisors (see below), whose sum is σ = 37761120. Its totient is φ = 5873840.

The previous prime is 18251021. The next prime is 18251053. The reversal of 18251034 is 43015281.

It is a junction number, because it is equal to n+sod(n) for n = 18250995 and 18251013.

It is an unprimeable number.

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, 52272 + ... + 52619.

It is an arithmetic number, because the mean of its divisors is an integer number (2360070).

Almost surely, 218251034 is an apocalyptic number.

18251034 is an abundant number, since it is smaller than the sum of its proper divisors (19510086).

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

18251034 is a wasteful number, since it uses less digits than its factorization.

18251034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104925.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 18251034 is about 4272.1228914908. The cubic root of 18251034 is about 263.2868436152.

The spelling of 18251034 in words is "eighteen million, two hundred fifty-one thousand, thirty-four".

Divisors: 1 2 3 6 29 58 87 174 104891 209782 314673 629346 3041839 6083678 9125517 18251034