Base | Representation |
---|---|
bin | 10000111100111… |
… | …11110111101100 |
3 | 100220121010222220 |
4 | 20132133313230 |
5 | 242401300323 |
6 | 22040035340 |
7 | 3344533650 |
oct | 1036376754 |
9 | 326533886 |
10 | 142212588 |
11 | 73303471 |
12 | 3b762b50 |
13 | 2360347b |
14 | 14c5ca60 |
15 | c7420e3 |
hex | 879fdec |
142212588 has 48 divisors (see below), whose sum is σ = 395727360. Its totient is φ = 38865024.
The previous prime is 142212569. The next prime is 142212589. The reversal of 142212588 is 885212241.
It is not an unprimeable number, because it can be changed into a prime (142212589) 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, 34873 + ... + 38736.
It is an arithmetic number, because the mean of its divisors is an integer number (8244320).
Almost surely, 2142212588 is an apocalyptic number.
It is an amenable number.
142212588 is an abundant number, since it is smaller than the sum of its proper divisors (253514772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142212588 is a wasteful number, since it uses less digits than its factorization.
142212588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73646 (or 73644 counting only the distinct ones).
The product of its digits is 10240, while the sum is 33.
The square root of 142212588 is about 11925.2919461118. The cubic root of 142212588 is about 521.9705654194.
The spelling of 142212588 in words is "one hundred forty-two million, two hundred twelve thousand, five hundred eighty-eight".
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