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18059148 = 22323111613
BaseRepresentation
bin100010011100…
…0111110001100
31020222111111100
41010320332030
514110343043
61443023100
7306333402
oct104707614
936874440
1018059148
11a215118
12606aa90
133983bb3
142581472
1518bacd3
hex1138f8c

18059148 has 36 divisors (see below), whose sum is σ = 45824688. Its totient is φ = 5996640.

The previous prime is 18059137. The next prime is 18059149. The reversal of 18059148 is 84195081.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×180591482 = 652265652971808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18059149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10390 + ... + 12002.

It is an arithmetic number, because the mean of its divisors is an integer number (1272908).

Almost surely, 218059148 is an apocalyptic number.

18059148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18059148 is an abundant number, since it is smaller than the sum of its proper divisors (27765540).

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

18059148 is a wasteful number, since it uses less digits than its factorization.

18059148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 18059148 is about 4249.6056287613. The cubic root of 18059148 is about 262.3608841096.

The spelling of 18059148 in words is "eighteen million, fifty-nine thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 311 622 933 1244 1613 1866 2799 3226 3732 4839 5598 6452 9678 11196 14517 19356 29034 58068 501643 1003286 1504929 2006572 3009858 4514787 6019716 9029574 18059148