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18485360 = 245231067
BaseRepresentation
bin100011010000…
…1000001110000
31021210011010222
41012201001300
514213012420
61500112212
7313060115
oct106410160
937704128
1018485360
11a486363
126235668
133aa2baa
14265290c
151952225
hex11a1070

18485360 has 20 divisors (see below), whose sum is σ = 42978648. Its totient is φ = 7394112.

The previous prime is 18485351. The next prime is 18485371. The reversal of 18485360 is 6358481.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 18485360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115454 + ... + 115613.

Almost surely, 218485360 is an apocalyptic number.

18485360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18485360 is an abundant number, since it is smaller than the sum of its proper divisors (24493288).

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

18485360 is a wasteful number, since it uses less digits than its factorization.

18485360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231080 (or 231074 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 18485360 is about 4299.4604312634. The cubic root of 18485360 is about 264.4088400516.

The spelling of 18485360 in words is "eighteen million, four hundred eighty-five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 231067 462134 924268 1155335 1848536 2310670 3697072 4621340 9242680 18485360