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18064435 = 531111617
BaseRepresentation
bin100010011101…
…0010000110011
31020222202202011
41010322100303
514111030220
61443103351
7306354664
oct104722063
936882664
1018064435
11a219094
126071b57
13398641c
14258336b
1518bc65a
hex113a433

18064435 has 8 divisors (see below), whose sum is σ = 21748896. Its totient is φ = 14403840.

The previous prime is 18064427. The next prime is 18064441. The reversal of 18064435 is 53446081.

It is a happy number.

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

It is not a de Polignac number, because 18064435 - 23 = 18064427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18064397 and 18064406.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4254 + ... + 7363.

It is an arithmetic number, because the mean of its divisors is an integer number (2718612).

Almost surely, 218064435 is an apocalyptic number.

18064435 is a deficient number, since it is larger than the sum of its proper divisors (3684461).

18064435 is a wasteful number, since it uses less digits than its factorization.

18064435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 18064435 is about 4250.2276409623. The cubic root of 18064435 is about 262.3864845542.

It can be divided in two parts, 1806 and 4435, that added together give a square (6241 = 792).

The spelling of 18064435 in words is "eighteen million, sixty-four thousand, four hundred thirty-five".

Divisors: 1 5 311 1555 11617 58085 3612887 18064435