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18286006 = 213965777
BaseRepresentation
bin100010111000…
…0010110110110
31021102000200111
41011300112312
514140123011
61451533234
7311266654
oct105602666
937360614
1018286006
11a35a602
12615a21a
133a3322b
1425dddd4
151913121
hex11705b6

18286006 has 8 divisors (see below), whose sum is σ = 27626760. Its totient is φ = 9077088.

The previous prime is 18286003. The next prime is 18286039. The reversal of 18286006 is 60068281.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32611 + ... + 33166.

It is an arithmetic number, because the mean of its divisors is an integer number (3453345).

Almost surely, 218286006 is an apocalyptic number.

18286006 is a deficient number, since it is larger than the sum of its proper divisors (9340754).

18286006 is a wasteful number, since it uses less digits than its factorization.

18286006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65918.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18286006 is about 4276.2139796788. The cubic root of 18286006 is about 263.4549033648.

The spelling of 18286006 in words is "eighteen million, two hundred eighty-six thousand, six".

Divisors: 1 2 139 278 65777 131554 9143003 18286006