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989910132 = 223791044209
BaseRepresentation
bin111011000000001…
…101010001110100
32112222200122102020
4323000031101310
54011404111012
6242121113140
733350045241
oct7300152164
92488618366
10989910132
11468862152
122376287b0
1312a116753
14956825c8
155bd8ba8c
hex3b00d474

989910132 has 24 divisors (see below), whose sum is σ = 2339030400. Its totient is φ = 325792896.

The previous prime is 989910121. The next prime is 989910137. The reversal of 989910132 is 231019989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989910137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521157 + ... + 523052.

It is an arithmetic number, because the mean of its divisors is an integer number (97459600).

Almost surely, 2989910132 is an apocalyptic number.

It is an amenable number.

989910132 is an abundant number, since it is smaller than the sum of its proper divisors (1349120268).

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

989910132 is a wasteful number, since it uses less digits than its factorization.

989910132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044295 (or 1044293 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 989910132 is about 31462.8373164278. The cubic root of 989910132 is about 996.6253351142.

The spelling of 989910132 in words is "nine hundred eighty-nine million, nine hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 1044209 2088418 3132627 4176836 6265254 12530508 82492511 164985022 247477533 329970044 494955066 989910132