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20952795 = 3513110663
BaseRepresentation
bin100111111101…
…1011011011011
31110102111211110
41033323123123
520330442140
62025031403
7343044603
oct117733333
943374743
1020952795
1110911166
127025563
134458006
142ad5c03
151c8d380
hex13fb6db

20952795 has 16 divisors (see below), whose sum is σ = 33783552. Its totient is φ = 11088480.

The previous prime is 20952791. The next prime is 20952797. The reversal of 20952795 is 59725902.

It is not a de Polignac number, because 20952795 - 22 = 20952791 is a prime.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (20952791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3367 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (2111472).

Almost surely, 220952795 is an apocalyptic number.

20952795 is a deficient number, since it is larger than the sum of its proper divisors (12830757).

20952795 is a wasteful number, since it uses less digits than its factorization.

20952795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 20952795 is about 4577.4223095537. The cubic root of 20952795 is about 275.6855403031.

The spelling of 20952795 in words is "twenty million, nine hundred fifty-two thousand, seven hundred ninety-five".

Divisors: 1 3 5 15 131 393 655 1965 10663 31989 53315 159945 1396853 4190559 6984265 20952795