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12086090 = 251963611
BaseRepresentation
bin101110000110…
…101101001010
3211202000222222
4232012231022
511043223330
61111014042
7204505262
oct56065512
924660888
1012086090
116905505
12406a322
132672243
1418687a2
1510db0e5
hexb86b4a

12086090 has 16 divisors (see below), whose sum is σ = 22900320. Its totient is φ = 4579920.

The previous prime is 12086083. The next prime is 12086093. The reversal of 12086090 is 9068021.

12086090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12086093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31616 + ... + 31995.

It is an arithmetic number, because the mean of its divisors is an integer number (1431270).

Almost surely, 212086090 is an apocalyptic number.

12086090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12086090 is a deficient number, since it is larger than the sum of its proper divisors (10814230).

12086090 is a wasteful number, since it uses less digits than its factorization.

12086090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63637.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12086090 is about 3476.5054293068. The cubic root of 12086090 is about 229.4890358234.

The spelling of 12086090 in words is "twelve million, eighty-six thousand, ninety".

Divisors: 1 2 5 10 19 38 95 190 63611 127222 318055 636110 1208609 2417218 6043045 12086090