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18453164 = 2229159079
BaseRepresentation
bin100011001100…
…1001010101100
31021201111222112
41012121022230
514211000124
61455303152
7312564212
oct106311254
937644875
1018453164
11a464154
12621aab8
133a91342
142644cb2
15194790e
hex11992ac

18453164 has 12 divisors (see below), whose sum is σ = 33406800. Its totient is φ = 8908368.

The previous prime is 18453151. The next prime is 18453167. The reversal of 18453164 is 46135481.

It is a super-3 number, since 3×184531643 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 18453164.

It is not an unprimeable number, because it can be changed into a prime (18453167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79424 + ... + 79655.

It is an arithmetic number, because the mean of its divisors is an integer number (2783900).

Almost surely, 218453164 is an apocalyptic number.

It is an amenable number.

18453164 is a deficient number, since it is larger than the sum of its proper divisors (14953636).

18453164 is a wasteful number, since it uses less digits than its factorization.

18453164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159112 (or 159110 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 18453164 is about 4295.7146087700. The cubic root of 18453164 is about 264.2552436539.

The spelling of 18453164 in words is "eighteen million, four hundred fifty-three thousand, one hundred sixty-four".

Divisors: 1 2 4 29 58 116 159079 318158 636316 4613291 9226582 18453164