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18359042 = 213706117
BaseRepresentation
bin100011000001…
…0001100000010
31021112201212112
41012002030002
514144442132
61453255322
7312022622
oct106021402
937481775
1018359042
11a3aa469
126194542
133a5a550
14261c882
151929ab2
hex1182302

18359042 has 8 divisors (see below), whose sum is σ = 29656956. Its totient is φ = 8473392.

The previous prime is 18359039. The next prime is 18359053. The reversal of 18359042 is 24095381.

It can be written as a sum of positive squares in 2 ways, for example, as 18139081 + 219961 = 4259^2 + 469^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353033 + ... + 353084.

Almost surely, 218359042 is an apocalyptic number.

18359042 is a deficient number, since it is larger than the sum of its proper divisors (11297914).

18359042 is a wasteful number, since it uses less digits than its factorization.

18359042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706132.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 18359042 is about 4284.7452666407. The cubic root of 18359042 is about 263.8051918370.

The spelling of 18359042 in words is "eighteen million, three hundred fifty-nine thousand, forty-two".

Divisors: 1 2 13 26 706117 1412234 9179521 18359042