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18095612 = 2211294007
BaseRepresentation
bin100010100000…
…1110111111100
31021001100111212
41011001313330
514113024422
61443503552
7306544613
oct105016774
937040455
1018095612
11a23a557
126087bb8
133997682
14259087a
1518c69e2
hex1141dfc

18095612 has 12 divisors (see below), whose sum is σ = 31703280. Its totient is φ = 9037536.

The previous prime is 18095591. The next prime is 18095617. The reversal of 18095612 is 21659081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18095617) 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 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (2641940).

Almost surely, 218095612 is an apocalyptic number.

It is an amenable number.

18095612 is a deficient number, since it is larger than the sum of its proper divisors (13607668).

18095612 is a wasteful number, since it uses less digits than its factorization.

18095612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140 (or 5138 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 18095612 is about 4253.8937457346. The cubic root of 18095612 is about 262.5373467649.

The spelling of 18095612 in words is "eighteen million, ninety-five thousand, six hundred twelve".

Divisors: 1 2 4 1129 2258 4007 4516 8014 16028 4523903 9047806 18095612