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18468875 = 53712081
BaseRepresentation
bin100011001110…
…1000000001011
31021202022112102
41012131000023
514212001000
61455504015
7312661055
oct106350013
937668472
1018468875
11a474a37
12622800b
133a98539
14264a8d5
15194c3d5
hex119d00b

18468875 has 16 divisors (see below), whose sum is σ = 23385024. Its totient is φ = 14560000.

The previous prime is 18468871. The next prime is 18468899. The reversal of 18468875 is 57886481.

It is a happy number.

It is not a de Polignac number, because 18468875 - 22 = 18468871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18468871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7835 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (1461564).

Almost surely, 218468875 is an apocalyptic number.

18468875 is a deficient number, since it is larger than the sum of its proper divisors (4916149).

18468875 is an equidigital number, since it uses as much as digits as its factorization.

18468875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2157 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The square root of 18468875 is about 4297.5429026363. The cubic root of 18468875 is about 264.3302179047.

The spelling of 18468875 in words is "eighteen million, four hundred sixty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 71 125 355 1775 2081 8875 10405 52025 147751 260125 738755 3693775 18468875