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18074464 = 25564827
BaseRepresentation
bin100010011110…
…0101101100000
31021000021111121
41010330231200
514111340324
61443222024
7306426142
oct104745540
937007447
1018074464
11a225681
126077914
13398ab65
142586c92
1518c05e4
hex113cb60

18074464 has 12 divisors (see below), whose sum is σ = 35584164. Its totient is φ = 9037216.

The previous prime is 18074447. The next prime is 18074467. The reversal of 18074464 is 46447081.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074467) 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 as a sum of consecutive naturals, namely, 282382 + ... + 282445.

It is an arithmetic number, because the mean of its divisors is an integer number (2965347).

Almost surely, 218074464 is an apocalyptic number.

It is an amenable number.

18074464 is a deficient number, since it is larger than the sum of its proper divisors (17509700).

18074464 is an equidigital number, since it uses as much as digits as its factorization.

18074464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564837 (or 564829 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 18074464 is about 4251.4072964137. The cubic root of 18074464 is about 262.4350327507.

The spelling of 18074464 in words is "eighteen million, seventy-four thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 564827 1129654 2259308 4518616 9037232 18074464