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118990872 = 2332711132127
BaseRepresentation
bin1110001011110…
…10100000011000
322021220100210100
413011322200120
5220430201442
615450215400
72643256110
oct705724030
9267810710
10118990872
1161192670
1233a24560
131b862800
1411b36040
15a6a684c
hex717a818

118990872 has 288 divisors, whose sum is σ = 438497280. Its totient is φ = 28304640.

The previous prime is 118990849. The next prime is 118990877. The reversal of 118990872 is 278099811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118990877) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 936873 + ... + 936999.

It is an arithmetic number, because the mean of its divisors is an integer number (1522560).

Almost surely, 2118990872 is an apocalyptic number.

118990872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118990872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219248640).

118990872 is an abundant number, since it is smaller than the sum of its proper divisors (319506408).

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

118990872 is a wasteful number, since it uses less digits than its factorization.

118990872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 118990872 is about 10908.2937254183. The cubic root of 118990872 is about 491.8558967225.

The spelling of 118990872 in words is "one hundred eighteen million, nine hundred ninety thousand, eight hundred seventy-two".