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20794377 = 337318583
BaseRepresentation
bin100111101010…
…0110000001001
31110010110112010
41033110300021
520310410002
62021410133
7341515002
oct117246011
943113463
1020794377
111081313a
126b69949
134400b86
142a941a9
151c5b46c
hex13d4c09

20794377 has 8 divisors (see below), whose sum is σ = 27801664. Its totient is φ = 13825008.

The previous prime is 20794337. The next prime is 20794387. The reversal of 20794377 is 77349702.

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

It is not a de Polignac number, because 20794377 - 26 = 20794313 is a prime.

It is a super-2 number, since 2×207943772 = 864812229636258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20794307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8173 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (3475208).

Almost surely, 220794377 is an apocalyptic number.

It is an amenable number.

20794377 is a deficient number, since it is larger than the sum of its proper divisors (7007287).

20794377 is a wasteful number, since it uses less digits than its factorization.

20794377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18959.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 20794377 is about 4560.0851965725. The cubic root of 20794377 is about 274.9889890908.

The spelling of 20794377 in words is "twenty million, seven hundred ninety-four thousand, three hundred seventy-seven".

Divisors: 1 3 373 1119 18583 55749 6931459 20794377