Base | Representation |
---|---|
bin | 10000111110111… |
… | …00101010000000 |
3 | 100221001210112101 |
4 | 20133130222000 |
5 | 242432232233 |
6 | 22045240144 |
7 | 3346621564 |
oct | 1037345200 |
9 | 327053471 |
10 | 142461568 |
11 | 73463537 |
12 | 3b863054 |
13 | 2368c8b2 |
14 | 14cc56a4 |
15 | c790c7d |
hex | 87dca80 |
142461568 has 32 divisors (see below), whose sum is σ = 285118560. Its totient is φ = 70902528.
The previous prime is 142461551. The next prime is 142461589. The reversal of 142461568 is 865164241.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26605 + ... + 31507.
It is an arithmetic number, because the mean of its divisors is an integer number (8909955).
Almost surely, 2142461568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142461568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142559280).
142461568 is an abundant number, since it is smaller than the sum of its proper divisors (142656992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142461568 is an equidigital number, since it uses as much as digits as its factorization.
142461568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5144 (or 5132 counting only the distinct ones).
The product of its digits is 46080, while the sum is 37.
The square root of 142461568 is about 11935.7265384224. The cubic root of 142461568 is about 522.2750027501.
The spelling of 142461568 in words is "one hundred forty-two million, four hundred sixty-one thousand, five hundred sixty-eight".
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