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20834106 = 2319917449
BaseRepresentation
bin100111101111…
…0011100111010
31110012111000120
41033132130322
520313142411
62022314110
7342041556
oct117363472
943174016
1020834106
111083aa77
126b88936
134415c97
142aa4866
151c68106
hex13de73a

20834106 has 16 divisors (see below), whose sum is σ = 41880000. Its totient is φ = 6909408.

The previous prime is 20834087. The next prime is 20834111. The reversal of 20834106 is 60143802.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7531 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (2617500).

Almost surely, 220834106 is an apocalyptic number.

20834106 is an abundant number, since it is smaller than the sum of its proper divisors (21045894).

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

20834106 is a wasteful number, since it uses less digits than its factorization.

20834106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20834106 is about 4564.4392864842. The cubic root of 20834106 is about 275.1640057513.

Adding to 20834106 its reverse (60143802), we get a palindrome (80977908).

The spelling of 20834106 in words is "twenty million, eight hundred thirty-four thousand, one hundred six".

Divisors: 1 2 3 6 199 398 597 1194 17449 34898 52347 104694 3472351 6944702 10417053 20834106