Base | Representation |
---|---|
bin | 10000111110101… |
… | …00100110010101 |
3 | 100221000010021001 |
4 | 20133110212111 |
5 | 242430203230 |
6 | 22044423301 |
7 | 3346423426 |
oct | 1037244625 |
9 | 327003231 |
10 | 142428565 |
11 | 73440764 |
12 | 3b847b31 |
13 | 2367a876 |
14 | 14cb764d |
15 | c7860ca |
hex | 87d4995 |
142428565 has 8 divisors (see below), whose sum is σ = 174551040. Its totient is φ = 111518352.
The previous prime is 142428563. The next prime is 142428607. The reversal of 142428565 is 565824241.
142428565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142428565 - 21 = 142428563 is a prime.
It is a super-2 number, since 2×1424285652 = 40571792255918450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142428563) 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, 302805 + ... + 303274.
It is an arithmetic number, because the mean of its divisors is an integer number (21818880).
Almost surely, 2142428565 is an apocalyptic number.
It is an amenable number.
142428565 is a deficient number, since it is larger than the sum of its proper divisors (32122475).
142428565 is an equidigital number, since it uses as much as digits as its factorization.
142428565 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 606131.
The product of its digits is 76800, while the sum is 37.
The square root of 142428565 is about 11934.3439283439. The cubic root of 142428565 is about 522.2346691281.
The spelling of 142428565 in words is "one hundred forty-two million, four hundred twenty-eight thousand, five hundred sixty-five".
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