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880438055 = 57191323967
BaseRepresentation
bin110100011110100…
…110101100100111
32021100200212221212
4310132212230213
53300343004210
6223210502035
730550412540
oct6436465447
92240625855
10880438055
11411a91162
12206a3491b
13110537783
1484d074c7
1552465805
hex347a6b27

880438055 has 16 divisors (see below), whose sum is σ = 1271009280. Its totient is φ = 571953312.

The previous prime is 880438043. The next prime is 880438073. The reversal of 880438055 is 550834088.

It is not a de Polignac number, because 880438055 - 26 = 880437991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661319 + ... + 662648.

It is an arithmetic number, because the mean of its divisors is an integer number (79438080).

Almost surely, 2880438055 is an apocalyptic number.

880438055 is a deficient number, since it is larger than the sum of its proper divisors (390571225).

880438055 is a wasteful number, since it uses less digits than its factorization.

880438055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323998.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 880438055 is about 29672.1764452829. The cubic root of 880438055 is about 958.4429530224.

The spelling of 880438055 in words is "eight hundred eighty million, four hundred thirty-eight thousand, fifty-five".

Divisors: 1 5 7 19 35 95 133 665 1323967 6619835 9267769 25155373 46338845 125776865 176087611 880438055