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20792004 = 2231991193
BaseRepresentation
bin100111101010…
…0001011000100
31110010100021020
41033110023010
520310321004
62021351140
7341505042
oct117241304
943110236
1020792004
1110811382
126b684b0
1343cca7c
142a93392
151c5a8d9
hex13d42c4

20792004 has 24 divisors (see below), whose sum is σ = 51068640. Its totient is φ = 6565824.

The previous prime is 20791999. The next prime is 20792027. The reversal of 20792004 is 40029702.

It is an unprimeable number.

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, 45369 + ... + 45824.

It is an arithmetic number, because the mean of its divisors is an integer number (2127860).

Almost surely, 220792004 is an apocalyptic number.

It is an amenable number.

20792004 is an abundant number, since it is smaller than the sum of its proper divisors (30276636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20792004 is a wasteful number, since it uses less digits than its factorization.

20792004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91219 (or 91217 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20792004 is about 4559.8249966419. The cubic root of 20792004 is about 274.9785283511.

The spelling of 20792004 in words is "twenty million, seven hundred ninety-two thousand, four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 91193 182386 273579 364772 547158 1094316 1732667 3465334 5198001 6930668 10396002 20792004