Base | Representation |
---|---|
bin | 10000111111100… |
… | …01101111001100 |
3 | 100221020011222110 |
4 | 20133301233030 |
5 | 242443013131 |
6 | 22051144020 |
7 | 3350431410 |
oct | 1037615714 |
9 | 327204873 |
10 | 142547916 |
11 | 735123a5 |
12 | 3b8a5010 |
13 | 236bcca4 |
14 | 14d08d40 |
15 | c7ab646 |
hex | 87f1bcc |
142547916 has 48 divisors (see below), whose sum is σ = 384957440. Its totient is φ = 40210560.
The previous prime is 142547887. The next prime is 142547921. The reversal of 142547916 is 619745241.
142547916 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4105 + ... + 17376.
Almost surely, 2142547916 is an apocalyptic number.
It is an amenable number.
142547916 is an abundant number, since it is smaller than the sum of its proper divisors (242409524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142547916 is a wasteful number, since it uses less digits than its factorization.
142547916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21574 (or 21572 counting only the distinct ones).
The product of its digits is 60480, while the sum is 39.
The square root of 142547916 is about 11939.3431980155. The cubic root of 142547916 is about 522.3805008954.
The spelling of 142547916 in words is "one hundred forty-two million, five hundred forty-seven thousand, nine hundred sixteen".
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