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20795042 = 215236827
BaseRepresentation
bin100111101010…
…0111010100010
31110010111102202
41033110322202
520310420132
62021413202
7341516642
oct117247242
943114382
1020795042
1110813694
126b6a202
134401278
142a94522
151c5b762
hex13d4ea2

20795042 has 8 divisors (see below), whose sum is σ = 31217616. Its totient is φ = 10389172.

The previous prime is 20795041. The next prime is 20795057. The reversal of 20795042 is 24059702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20794996 and 20795014.

It is not an unprimeable number, because it can be changed into a prime (20795041) 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 3 ways as a sum of consecutive naturals, for example, 368 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (3902202).

Almost surely, 220795042 is an apocalyptic number.

20795042 is a deficient number, since it is larger than the sum of its proper divisors (10422574).

20795042 is a wasteful number, since it uses less digits than its factorization.

20795042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20795042 is about 4560.1581112939. The cubic root of 20795042 is about 274.9919204238.

The spelling of 20795042 in words is "twenty million, seven hundred ninety-five thousand, forty-two".

Divisors: 1 2 1523 3046 6827 13654 10397521 20795042