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18114612 = 2231509551
BaseRepresentation
bin100010100011…
…0100000110100
31021002022120120
41011012200310
514114131422
61444131540
7306654165
oct105064064
937068516
1018114612
11a25285a
126096bb0
1339a3209
14259776c
1518cc45c
hex1146834

18114612 has 12 divisors (see below), whose sum is σ = 42267456. Its totient is φ = 6038200.

The previous prime is 18114611. The next prime is 18114617. The reversal of 18114612 is 21641181.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18114611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754764 + ... + 754787.

It is an arithmetic number, because the mean of its divisors is an integer number (3522288).

Almost surely, 218114612 is an apocalyptic number.

18114612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18114612 is an abundant number, since it is smaller than the sum of its proper divisors (24152844).

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

18114612 is a wasteful number, since it uses less digits than its factorization.

18114612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509558 (or 1509556 counting only the distinct ones).

The product of its digits is 384, while the sum is 24.

The square root of 18114612 is about 4256.1264078972. The cubic root of 18114612 is about 262.6292007969.

Adding to 18114612 its reverse (21641181), we get a palindrome (39755793).

The spelling of 18114612 in words is "eighteen million, one hundred fourteen thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 1509551 3019102 4528653 6038204 9057306 18114612