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18326343 = 372124669
BaseRepresentation
bin100010111101…
…0001101000111
31021111002000110
41011322031013
514142420333
61452444103
7311525400
oct105721507
937432013
1018326343
11a387942
126179633
133a486b9
1426109a7
151920063
hex117a347

18326343 has 12 divisors (see below), whose sum is σ = 28424760. Its totient is φ = 10472112.

The previous prime is 18326333. The next prime is 18326351. The reversal of 18326343 is 34362381.

It is not a de Polignac number, because 18326343 - 25 = 18326311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18326343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62188 + ... + 62481.

It is an arithmetic number, because the mean of its divisors is an integer number (2368730).

Almost surely, 218326343 is an apocalyptic number.

18326343 is a deficient number, since it is larger than the sum of its proper divisors (10098417).

18326343 is a wasteful number, since it uses less digits than its factorization.

18326343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124686 (or 124679 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 18326343 is about 4280.9278199942. The cubic root of 18326343 is about 263.6484790058.

The spelling of 18326343 in words is "eighteen million, three hundred twenty-six thousand, three hundred forty-three".

Divisors: 1 3 7 21 49 147 124669 374007 872683 2618049 6108781 18326343