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2809838230 = 252797100459
BaseRepresentation
bin1010011101111010…
…1011101010010110
321020211012120102121
42213132223222112
521223304310410
61142452330154
7126426142123
oct24736535226
97224176377
102809838230
111212098061
1266501395a
1335a193294
141c926574a
15116a2e9da
hexa77aba96

2809838230 has 16 divisors (see below), whose sum is σ = 5059567440. Its totient is φ = 1123522272.

The previous prime is 2809838219. The next prime is 2809838321. The reversal of 2809838230 is 328389082.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 22260 + ... + 78199.

It is an arithmetic number, because the mean of its divisors is an integer number (316222965).

Almost surely, 22809838230 is an apocalyptic number.

2809838230 is a deficient number, since it is larger than the sum of its proper divisors (2249729210).

2809838230 is a wasteful number, since it uses less digits than its factorization.

2809838230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103263.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2809838230 is about 53007.9072403354. The cubic root of 2809838230 is about 1411.1086011740.

The spelling of 2809838230 in words is "two billion, eight hundred nine million, eight hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 2797 5594 13985 27970 100459 200918 502295 1004590 280983823 561967646 1404919115 2809838230