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989112292 = 227174334799
BaseRepresentation
bin111010111101001…
…010011111100100
32112221012002222121
4322331022133210
54011203043132
6242052035324
733340213210
oct7275123744
92487162877
10989112292
11468367783
12237302b44
13129bc755c
1495515940
155bc80497
hex3af4a7e4

989112292 has 48 divisors (see below), whose sum is σ = 2099865600. Its totient is φ = 397965312.

The previous prime is 989112287. The next prime is 989112307. The reversal of 989112292 is 292211989.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203709 + ... + 208507.

It is an arithmetic number, because the mean of its divisors is an integer number (43747200).

Almost surely, 2989112292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989112292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049932800).

989112292 is an abundant number, since it is smaller than the sum of its proper divisors (1110753308).

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

989112292 is a wasteful number, since it uses less digits than its factorization.

989112292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260 (or 5258 counting only the distinct ones).

The product of its digits is 46656, while the sum is 43.

The square root of 989112292 is about 31450.1556752904. The cubic root of 989112292 is about 996.3575123932.

The spelling of 989112292 in words is "nine hundred eighty-nine million, one hundred twelve thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 433 476 866 1732 3031 4799 6062 7361 9598 12124 14722 19196 29444 33593 51527 67186 81583 103054 134372 163166 206108 326332 571081 1142162 2077967 2284324 4155934 8311868 14545769 29091538 35325439 58183076 70650878 141301756 247278073 494556146 989112292