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20799048 = 2336114207
BaseRepresentation
bin100111101010…
…1111001001000
31110010200221010
41033111321020
520311032143
62021443520
7341534424
oct117257110
943120833
1020799048
11108166a6
126b705a0
13440303a
142a95b84
151c5ca33
hex13d5e48

20799048 has 32 divisors (see below), whose sum is σ = 52853760. Its totient is φ = 6818880.

The previous prime is 20799043. The next prime is 20799049. The reversal of 20799048 is 84099702.

It is a junction number, because it is equal to n+sod(n) for n = 20798997 and 20799015.

It is not an unprimeable number, because it can be changed into a prime (20799043) 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 7 ways as a sum of consecutive naturals, for example, 5640 + ... + 8567.

It is an arithmetic number, because the mean of its divisors is an integer number (1651680).

Almost surely, 220799048 is an apocalyptic number.

It is an amenable number.

20799048 is an abundant number, since it is smaller than the sum of its proper divisors (32054712).

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

20799048 is a wasteful number, since it uses less digits than its factorization.

20799048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14277 (or 14273 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 20799048 is about 4560.5973292980. The cubic root of 20799048 is about 275.0095776279.

The spelling of 20799048 in words is "twenty million, seven hundred ninety-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 24 61 122 183 244 366 488 732 1464 14207 28414 42621 56828 85242 113656 170484 340968 866627 1733254 2599881 3466508 5199762 6933016 10399524 20799048