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3800505860 = 225443428951
BaseRepresentation
bin1110001010000111…
…0001111000000100
3100210212022200221022
43202201301320010
530240412141420
61425042010312
7163115524004
oct34241617004
910725280838
103800505860
111680317338
128a0946998
134874b3748
14280a64004
151739bac25
hexe2871e04

3800505860 has 24 divisors (see below), whose sum is σ = 7999096896. Its totient is φ = 1516767200.

The previous prime is 3800505847. The next prime is 3800505893. The reversal of 3800505860 is 685050083.

It is a self number, because there is not a number n which added to its sum of digits gives 3800505860.

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 7 ways as a sum of consecutive naturals, for example, 205616 + ... + 223335.

It is an arithmetic number, because the mean of its divisors is an integer number (333295704).

Almost surely, 23800505860 is an apocalyptic number.

It is an amenable number.

3800505860 is an abundant number, since it is smaller than the sum of its proper divisors (4198591036).

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

3800505860 is a wasteful number, since it uses less digits than its factorization.

3800505860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429403 (or 429401 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 3800505860 is about 61648.2429595524. The cubic root of 3800505860 is about 1560.5599923593.

The spelling of 3800505860 in words is "three billion, eight hundred million, five hundred five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 443 886 1772 2215 4430 8860 428951 857902 1715804 2144755 4289510 8579020 190025293 380050586 760101172 950126465 1900252930 3800505860