Base | Representation |
---|---|
bin | 1110000111000… |
… | …10110010001100 |
3 | 22020201210022121 |
4 | 13003202302030 |
5 | 220300310140 |
6 | 15425022324 |
7 | 2635060231 |
oct | 703426214 |
9 | 266653277 |
10 | 118369420 |
11 | 608a8774 |
12 | 337849a4 |
13 | 1b6a59a0 |
14 | 11a13788 |
15 | a5d264a |
hex | 70e2c8c |
118369420 has 48 divisors (see below), whose sum is σ = 269172288. Its totient is φ = 43464960.
The previous prime is 118369417. The next prime is 118369423. The reversal of 118369420 is 24963811.
It is an interprime number because it is at equal distance from previous prime (118369417) and next prime (118369423).
It is a super-2 number, since 2×1183694202 = 28022639182272800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (118369423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50065 + ... + 52375.
It is an arithmetic number, because the mean of its divisors is an integer number (5607756).
Almost surely, 2118369420 is an apocalyptic number.
118369420 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 118369420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134586144).
118369420 is an abundant number, since it is smaller than the sum of its proper divisors (150802868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118369420 is a wasteful number, since it uses less digits than its factorization.
118369420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2530 (or 2528 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 118369420 is about 10879.7711372988. The cubic root of 118369420 is about 490.9981320177.
The spelling of 118369420 in words is "one hundred eighteen million, three hundred sixty-nine thousand, four hundred twenty".
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