Base | Representation |
---|---|
bin | 10000111100110… |
… | …10000101010010 |
3 | 100220112221110220 |
4 | 20132122011102 |
5 | 242400021012 |
6 | 22035333510 |
7 | 3344404563 |
oct | 1036320522 |
9 | 326487426 |
10 | 142188882 |
11 | 73297680 |
12 | 3b751296 |
13 | 235c5744 |
14 | 14c5416a |
15 | c73a08c |
hex | 879a152 |
142188882 has 32 divisors (see below), whose sum is σ = 311169600. Its totient is φ = 42957120.
The previous prime is 142188881. The next prime is 142188919. The reversal of 142188882 is 288881241.
It is not an unprimeable number, because it can be changed into a prime (142188881) 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, 19948 + ... + 26120.
It is an arithmetic number, because the mean of its divisors is an integer number (9724050).
Almost surely, 2142188882 is an apocalyptic number.
142188882 is an abundant number, since it is smaller than the sum of its proper divisors (168980718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142188882 is a wasteful number, since it uses less digits than its factorization.
142188882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6538.
The product of its digits is 65536, while the sum is 42.
The square root of 142188882 is about 11924.2979667568. The cubic root of 142188882 is about 521.9415606691.
The spelling of 142188882 in words is "one hundred forty-two million, one hundred eighty-eight thousand, eight hundred eighty-two".
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