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20773002 = 23231091381
BaseRepresentation
bin100111100111…
…1100010001010
31110002101012110
41033033202022
520304214002
62021123150
7341365455
oct117174212
943071173
1020773002
11107a9078
126b594b6
1343c4223
142a8a49c
151c54e6c
hex13cf88a

20773002 has 32 divisors (see below), whose sum is σ = 43781760. Its totient is φ = 6557760.

The previous prime is 20772949. The next prime is 20773043. The reversal of 20773002 is 20037702.

It is a super-2 number, since 2×207730022 = 863035224184008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20773002.

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 15 ways as a sum of consecutive naturals, for example, 14352 + ... + 15732.

It is an arithmetic number, because the mean of its divisors is an integer number (1368180).

Almost surely, 220773002 is an apocalyptic number.

20773002 is an abundant number, since it is smaller than the sum of its proper divisors (23008758).

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

20773002 is a wasteful number, since it uses less digits than its factorization.

20773002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 20773002 is about 4557.7408877645. The cubic root of 20773002 is about 274.8947343668.

The spelling of 20773002 in words is "twenty million, seven hundred seventy-three thousand, two".

Divisors: 1 2 3 6 23 46 69 109 138 218 327 654 1381 2507 2762 4143 5014 7521 8286 15042 31763 63526 95289 150529 190578 301058 451587 903174 3462167 6924334 10386501 20773002