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18050986 = 230729399
BaseRepresentation
bin100010011011…
…0111110101010
31020222002022001
41010312332222
514110112421
61442521214
7306300532
oct104667652
936862261
1018050986
11a209a78
12606620a
133980275
14257c4c2
1518b8691
hex1136faa

18050986 has 8 divisors (see below), whose sum is σ = 27165600. Its totient is φ = 8995788.

The previous prime is 18050971. The next prime is 18050987. The reversal of 18050986 is 68905081.

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

It is not an unprimeable number, because it can be changed into a prime (18050987) 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, 14086 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (3395700).

Almost surely, 218050986 is an apocalyptic number.

18050986 is a deficient number, since it is larger than the sum of its proper divisors (9114614).

18050986 is a wasteful number, since it uses less digits than its factorization.

18050986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29708.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 18050986 is about 4248.6451958242. The cubic root of 18050986 is about 262.3213526724.

The spelling of 18050986 in words is "eighteen million, fifty thousand, nine hundred eighty-six".

Divisors: 1 2 307 614 29399 58798 9025493 18050986