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20794933 = 79263227
BaseRepresentation
bin100111101010…
…0111000110101
31110010111021201
41033110320311
520310414213
62021412501
7341516425
oct117247065
943114251
1020794933
11108135a5
126b6a131
1344011c3
142a94485
151c5b6dd
hex13d4e35

20794933 has 4 divisors (see below), whose sum is σ = 21058240. Its totient is φ = 20531628.

The previous prime is 20794931. The next prime is 20794937. The reversal of 20794933 is 33949702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20794933 - 21 = 20794931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20794892 and 20794901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131535 + ... + 131692.

It is an arithmetic number, because the mean of its divisors is an integer number (5264560).

Almost surely, 220794933 is an apocalyptic number.

It is an amenable number.

20794933 is a deficient number, since it is larger than the sum of its proper divisors (263307).

20794933 is an equidigital number, since it uses as much as digits as its factorization.

20794933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263306.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 20794933 is about 4560.1461599383. The cubic root of 20794933 is about 274.9914399539.

The spelling of 20794933 in words is "twenty million, seven hundred ninety-four thousand, nine hundred thirty-three".

Divisors: 1 79 263227 20794933