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18014485 = 53602897
BaseRepresentation
bin100010010111…
…0000100010101
31020220020020011
41010232010111
514102430420
61442040221
7306056236
oct104560425
936806204
1018014485
11a194605
126049071
133969778
14256d08d
1518ac95a
hex112e115

18014485 has 4 divisors (see below), whose sum is σ = 21617388. Its totient is φ = 14411584.

The previous prime is 18014473. The next prime is 18014501. The reversal of 18014485 is 58441081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11992369 + 6022116 = 3463^2 + 2454^2 .

It is a cyclic number.

It is not a de Polignac number, because 18014485 - 217 = 17883413 is a prime.

It is a Duffinian number.

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, 1801444 + ... + 1801453.

It is an arithmetic number, because the mean of its divisors is an integer number (5404347).

Almost surely, 218014485 is an apocalyptic number.

It is an amenable number.

18014485 is a deficient number, since it is larger than the sum of its proper divisors (3602903).

18014485 is an equidigital number, since it uses as much as digits as its factorization.

18014485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602902.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 18014485 is about 4244.3474174483. The cubic root of 18014485 is about 262.1444195336.

The spelling of 18014485 in words is "eighteen million, fourteen thousand, four hundred eighty-five".

Divisors: 1 5 3602897 18014485