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18094008 = 2332332779
BaseRepresentation
bin100010100000…
…1011110111000
31021001021022110
41011001132320
514113002013
61443452320
7306540132
oct105013670
937037273
1018094008
11a239329
1260870a0
133996a1a
142590052
1518c62c3
hex11417b8

18094008 has 32 divisors (see below), whose sum is σ = 47203200. Its totient is φ = 5768928.

The previous prime is 18094007. The next prime is 18094009. The reversal of 18094008 is 80049081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18094007) and next prime (18094009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18094007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15838 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (1475100).

Almost surely, 218094008 is an apocalyptic number.

It is an amenable number.

18094008 is an abundant number, since it is smaller than the sum of its proper divisors (29109192).

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

18094008 is a wasteful number, since it uses less digits than its factorization.

18094008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32811 (or 32807 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 18094008 is about 4253.7052084036. The cubic root of 18094008 is about 262.5295894083.

The spelling of 18094008 in words is "eighteen million, ninety-four thousand, eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 32779 65558 98337 131116 196674 262232 393348 753917 786696 1507834 2261751 3015668 4523502 6031336 9047004 18094008