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20791094 = 266115727
BaseRepresentation
bin100111101001…
…1111100110110
31110010022000112
41033103330312
520310303334
62021343022
7341502302
oct117237466
943108015
1020791094
1110810725
126b67a72
1343cc52c
142a92d02
151c5a4ce
hex13d3f36

20791094 has 8 divisors (see below), whose sum is σ = 31235808. Its totient is φ = 10379160.

The previous prime is 20791091. The next prime is 20791129. The reversal of 20791094 is 49019702.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20791094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20791091) 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, 6542 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (3904476).

Almost surely, 220791094 is an apocalyptic number.

20791094 is a deficient number, since it is larger than the sum of its proper divisors (10444714).

20791094 is a wasteful number, since it uses less digits than its factorization.

20791094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16390.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 20791094 is about 4559.7252110188. The cubic root of 20791094 is about 274.9745166469.

The spelling of 20791094 in words is "twenty million, seven hundred ninety-one thousand, ninety-four".

Divisors: 1 2 661 1322 15727 31454 10395547 20791094