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4255502020 = 2257211394759
BaseRepresentation
bin1111110110100101…
…1100111011000100
3101222120110220022221
43331221130323010
532203402031040
61542134102124
7210312112300
oct37551347304
911876426287
104255502020
111894135720
129a91aa944
1352a83c543
142c5262d00
1519d8e474a
hexfda5cec4

4255502020 has 72 divisors (see below), whose sum is σ = 11340665280. Its totient is φ = 1326386880.

The previous prime is 4255502003. The next prime is 4255502039. The reversal of 4255502020 is 202055524.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186600 + ... + 208159.

It is an arithmetic number, because the mean of its divisors is an integer number (157509240).

Almost surely, 24255502020 is an apocalyptic number.

It is an amenable number.

4255502020 is an abundant number, since it is smaller than the sum of its proper divisors (7085163260).

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

4255502020 is a wasteful number, since it uses less digits than its factorization.

4255502020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394793 (or 394784 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4255502020 is about 65234.2089704474. The cubic root of 4255502020 is about 1620.5045956452.

Adding to 4255502020 its reverse (202055524), we get a palindrome (4457557544).

The spelling of 4255502020 in words is "four billion, two hundred fifty-five million, five hundred two thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 98 110 140 154 196 220 245 308 385 490 539 770 980 1078 1540 2156 2695 5390 10780 394759 789518 1579036 1973795 2763313 3947590 4342349 5526626 7895180 8684698 11053252 13816565 17369396 19343191 21711745 27633130 30396443 38686382 43423490 55266260 60792886 77372764 86846980 96715955 121585772 151982215 193431910 212775101 303964430 386863820 425550202 607928860 851100404 1063875505 2127751010 4255502020