Base | Representation |
---|---|
bin | 10001000010001… |
… | …10010110011000 |
3 | 100221212210101110 |
4 | 20201012112120 |
5 | 243040110423 |
6 | 22102420320 |
7 | 3353404002 |
oct | 1041062630 |
9 | 327783343 |
10 | 142894488 |
11 | 73729820 |
12 | 3ba316a0 |
13 | 237b1969 |
14 | 14d99372 |
15 | c829193 |
hex | 8846598 |
142894488 has 32 divisors (see below), whose sum is σ = 389712960. Its totient is φ = 43301280.
The previous prime is 142894487. The next prime is 142894501. The reversal of 142894488 is 884498241.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142894487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270370 + ... + 270897.
It is an arithmetic number, because the mean of its divisors is an integer number (12178530).
Almost surely, 2142894488 is an apocalyptic number.
It is an amenable number.
142894488 is an abundant number, since it is smaller than the sum of its proper divisors (246818472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142894488 is a wasteful number, since it uses less digits than its factorization.
142894488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541287 (or 541283 counting only the distinct ones).
The product of its digits is 589824, while the sum is 48.
The square root of 142894488 is about 11953.8482506681. The cubic root of 142894488 is about 522.8035070374.
The spelling of 142894488 in words is "one hundred forty-two million, eight hundred ninety-four thousand, four hundred eighty-eight".
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