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889141988 = 227112328277
BaseRepresentation
bin110100111111110…
…011101011100100
32021222002002111202
4310333303223210
53310110020423
6224121222032
731014403460
oct6477635344
92258062452
10889141988
11416996599
12209931918
13112294427
14861314a0
15530d4728
hex34ff3ae4

889141988 has 24 divisors (see below), whose sum is σ = 1779930432. Its totient is φ = 380708064.

The previous prime is 889141987. The next prime is 889141991.

889141988 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (889141987) by changing a digit.

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, 17306 + ... + 45582.

It is an arithmetic number, because the mean of its divisors is an integer number (74163768).

Almost surely, 2889141988 is an apocalyptic number.

It is an amenable number.

889141988 is an abundant number, since it is smaller than the sum of its proper divisors (890788444).

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

889141988 is a wasteful number, since it uses less digits than its factorization.

889141988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29411 (or 29409 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 56.

The square root of 889141988 is about 29818.4839990232. The cubic root of 889141988 is about 961.5909628992.

The spelling of 889141988 in words is "eight hundred eighty-nine million, one hundred forty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1123 2246 4492 7861 15722 28277 31444 56554 113108 197939 395878 791756 31755071 63510142 127020284 222285497 444570994 889141988