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18486086 = 219746919
BaseRepresentation
bin100011010000…
…1001101000110
31021210012010212
41012201031012
514213023321
61500115422
7313062203
oct106411506
937705125
1018486086
11a486963
126235b72
133aa3318
142652caa
15195255b
hex11a1346

18486086 has 8 divisors (see below), whose sum is σ = 27870480. Its totient is φ = 9195928.

The previous prime is 18486077. The next prime is 18486109. The reversal of 18486086 is 68068481.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23066 + ... + 23853.

It is an arithmetic number, because the mean of its divisors is an integer number (3483810).

Almost surely, 218486086 is an apocalyptic number.

18486086 is a deficient number, since it is larger than the sum of its proper divisors (9384394).

18486086 is a wasteful number, since it uses less digits than its factorization.

18486086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47118.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 18486086 is about 4299.5448596334. The cubic root of 18486086 is about 264.4123014990.

The spelling of 18486086 in words is "eighteen million, four hundred eighty-six thousand, eighty-six".

Divisors: 1 2 197 394 46919 93838 9243043 18486086