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18085463 = 116126953
BaseRepresentation
bin100010011111…
…1011001010111
31021000211120222
41010333121113
514112213323
61443344555
7306503204
oct104773127
937024528
1018085463
11a232970
12608215b
133992b76
14258acab
1518c39c8
hex113f657

18085463 has 8 divisors (see below), whose sum is σ = 20053776. Its totient is φ = 16171200.

The previous prime is 18085439. The next prime is 18085477. The reversal of 18085463 is 36458081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18085463 - 212 = 18081367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18085163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12806 + ... + 14147.

It is an arithmetic number, because the mean of its divisors is an integer number (2506722).

Almost surely, 218085463 is an apocalyptic number.

18085463 is a deficient number, since it is larger than the sum of its proper divisors (1968313).

18085463 is a wasteful number, since it uses less digits than its factorization.

18085463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27025.

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

The square root of 18085463 is about 4252.7006713382. The cubic root of 18085463 is about 262.4882558616.

The spelling of 18085463 in words is "eighteen million, eighty-five thousand, four hundred sixty-three".

Divisors: 1 11 61 671 26953 296483 1644133 18085463