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18836086 = 240923027
BaseRepresentation
bin100011111011…
…0101001110110
31022102222020211
41013312221312
514310223321
61511420034
7316050463
oct107665166
938388224
1018836086
11a6a5915
12638461a
133b96719
14270466a
1519c10e1
hex11f6a76

18836086 has 8 divisors (see below), whose sum is σ = 28324440. Its totient is φ = 9394608.

The previous prime is 18836063. The next prime is 18836089. The reversal of 18836086 is 68063881.

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 (18836089) 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, 10696 + ... + 12331.

It is an arithmetic number, because the mean of its divisors is an integer number (3540555).

Almost surely, 218836086 is an apocalyptic number.

18836086 is a deficient number, since it is larger than the sum of its proper divisors (9488354).

18836086 is a wasteful number, since it uses less digits than its factorization.

18836086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 18836086 is about 4340.0559904222. The cubic root of 18836086 is about 266.0705995354.

The spelling of 18836086 in words is "eighteen million, eight hundred thirty-six thousand, eighty-six".

Divisors: 1 2 409 818 23027 46054 9418043 18836086