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889394680 = 235199111733
BaseRepresentation
bin110101000000110…
…001010111111000
32021222112221010201
4311000301113320
53310141112210
6224130451544
731016505256
oct6500612770
92258487121
10889394680
11417049429
12209a33bb4
13112352455
14861995d6
155313453a
hex350315f8

889394680 has 32 divisors (see below), whose sum is σ = 2011212000. Its totient is φ = 353966976.

The previous prime is 889394633. The next prime is 889394687. The reversal of 889394680 is 86493988.

It is a super-3 number, since 3×8893946803 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889394687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47907 + ... + 63826.

It is an arithmetic number, because the mean of its divisors is an integer number (62850375).

Almost surely, 2889394680 is an apocalyptic number.

It is an amenable number.

889394680 is an abundant number, since it is smaller than the sum of its proper divisors (1121817320).

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

889394680 is a wasteful number, since it uses less digits than its factorization.

889394680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111943 (or 111939 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 889394680 is about 29822.7208684922. The cubic root of 889394680 is about 961.6820482121.

The spelling of 889394680 in words is "eight hundred eighty-nine million, three hundred ninety-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 199 398 796 995 1592 1990 3980 7960 111733 223466 446932 558665 893864 1117330 2234660 4469320 22234867 44469734 88939468 111174335 177878936 222348670 444697340 889394680