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20836314 = 2325321841
BaseRepresentation
bin100111101111…
…0111111011010
31110012121001100
41033132333122
520313230224
62022332230
7342051162
oct117367732
943177040
1020836314
11108416a4
126b8a076
134416ca5
142aa55a2
151c68ac9
hex13defda

20836314 has 24 divisors (see below), whose sum is σ = 45999252. Its totient is φ = 6814080.

The previous prime is 20836313. The next prime is 20836327. The reversal of 20836314 is 41363802.

It is a happy number.

20836314 is a `hidden beast` number, since 20 + 8 + 3 + 631 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19316025 + 1520289 = 4395^2 + 1233^2 .

It is a super-2 number, since 2×208363142 = 868303962213192, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20836313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9967 + ... + 11874.

Almost surely, 220836314 is an apocalyptic number.

20836314 is an abundant number, since it is smaller than the sum of its proper divisors (25162938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20836314 is a wasteful number, since it uses less digits than its factorization.

20836314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21902 (or 21899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20836314 is about 4564.6811498724. The cubic root of 20836314 is about 275.1737260414.

The spelling of 20836314 in words is "twenty million, eight hundred thirty-six thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 21841 43682 65523 131046 196569 393138 1157573 2315146 3472719 6945438 10418157 20836314