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20799702 = 23271143349
BaseRepresentation
bin100111101011…
…0000011010110
31110010201211100
41033112003112
520311042302
62021450530
7341536350
oct117260326
943121740
1020799702
1110817140
126b70a46
134403421
142a960d0
151c5cd1c
hex13d60d6

20799702 has 96 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 5261760.

The previous prime is 20799689. The next prime is 20799731.

20799702 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 59424 + ... + 59772.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 220799702 is an apocalyptic number.

20799702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20799702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28828800).

20799702 is an abundant number, since it is smaller than the sum of its proper divisors (36857898).

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

20799702 is a wasteful number, since it uses less digits than its factorization.

20799702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 20799702 is about 4560.6690298683. The cubic root of 20799702 is about 275.0124600415.

It can be divided in two parts, 2079 and 9702, that added together give a triangular number (11781 = T153).

The spelling of 20799702 in words is "twenty million, seven hundred ninety-nine thousand, seven hundred two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 43 63 66 77 86 99 126 129 154 198 231 258 301 349 387 462 473 602 693 698 774 903 946 1047 1386 1419 1806 2094 2443 2709 2838 3141 3311 3839 4257 4886 5418 6282 6622 7329 7678 8514 9933 11517 14658 15007 19866 21987 23034 26873 29799 30014 34551 43974 45021 53746 59598 69102 80619 90042 105049 135063 161238 165077 210098 241857 270126 315147 330154 483714 495231 630294 945441 990462 1155539 1485693 1890882 2311078 2971386 3466617 6933234 10399851 20799702