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20895934 = 219975669
BaseRepresentation
bin100111110110…
…1100010111110
31110022121211111
41033231202332
520322132214
62023512234
7342420043
oct117554276
943277744
1020895934
1110882474
126bb867a
134438177
142abd1ca
151c7b5c4
hex13ed8be

20895934 has 16 divisors (see below), whose sum is σ = 33339600. Its totient is φ = 9794304.

The previous prime is 20895929. The next prime is 20896013. The reversal of 20895934 is 43959802.

It is a happy number.

It is a congruent 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, 852 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (2083725).

Almost surely, 220895934 is an apocalyptic number.

20895934 is a deficient number, since it is larger than the sum of its proper divisors (12443666).

20895934 is a wasteful number, since it uses less digits than its factorization.

20895934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 20895934 is about 4571.2070615976. The cubic root of 20895934 is about 275.4359322828.

The spelling of 20895934 in words is "twenty million, eight hundred ninety-five thousand, nine hundred thirty-four".

Divisors: 1 2 19 38 97 194 1843 3686 5669 11338 107711 215422 549893 1099786 10447967 20895934