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20132086 = 2137310607
BaseRepresentation
bin100110011001…
…1000011110110
31101212211000211
41030303003312
520123211321
61555300034
7333056062
oct114630366
941784024
1020132086
1110400597
1268aa61a
13422b5a0
142960aa2
151b7a0e1
hex13330f6

20132086 has 16 divisors (see below), whose sum is σ = 32969664. Its totient is φ = 9163584.

The previous prime is 20132081. The next prime is 20132117. The reversal of 20132086 is 68023102.

It is a super-2 number, since 2×201320862 = 810601773422792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406 + ... + 7201.

It is an arithmetic number, because the mean of its divisors is an integer number (2060604).

Almost surely, 220132086 is an apocalyptic number.

20132086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20132086 is a deficient number, since it is larger than the sum of its proper divisors (12837578).

20132086 is a wasteful number, since it uses less digits than its factorization.

20132086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10695.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20132086 is about 4486.8793164069. The cubic root of 20132086 is about 272.0380119165.

Adding to 20132086 its reverse (68023102), we get a palindrome (88155188).

The spelling of 20132086 in words is "twenty million, one hundred thirty-two thousand, eighty-six".

Divisors: 1 2 13 26 73 146 949 1898 10607 21214 137891 275782 774311 1548622 10066043 20132086