Base | Representation |
---|---|
bin | 1110000011010… |
… | …00110101110100 |
3 | 22012210102011100 |
4 | 13001220311310 |
5 | 220133314230 |
6 | 15410210100 |
7 | 2630610066 |
oct | 701506564 |
9 | 265712140 |
10 | 117869940 |
11 | 60597481 |
12 | 33583930 |
13 | 1b55c536 |
14 | 11923736 |
15 | a534660 |
hex | 7068d74 |
117869940 has 144 divisors (see below), whose sum is σ = 379282176. Its totient is φ = 29568000.
The previous prime is 117869911. The next prime is 117869953. The reversal of 117869940 is 49968711.
It is a happy number.
Together with 261412235 it forms a betrothed pair.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 293740 + ... + 294140.
It is an arithmetic number, because the mean of its divisors is an integer number (2633904).
Almost surely, 2117869940 is an apocalyptic number.
117869940 is a gapful number since it is divisible by the number (10) 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 117869940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189641088).
117869940 is an abundant number, since it is smaller than the sum of its proper divisors (261412236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
117869940 is a wasteful number, since it uses less digits than its factorization.
117869940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510 (or 505 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The square root of 117869940 is about 10856.7923439661. The cubic root of 117869940 is about 490.3065414948.
The spelling of 117869940 in words is "one hundred seventeen million, eight hundred sixty-nine thousand, nine hundred forty".
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