Base | Representation |
---|---|
bin | 10000111101100… |
… | …01010010111101 |
3 | 100220201202220111 |
4 | 20132301102331 |
5 | 242411041330 |
6 | 22041350021 |
7 | 3345252025 |
oct | 1036612275 |
9 | 326652814 |
10 | 142283965 |
11 | 7335205a |
12 | 3b798311 |
13 | 23629ac5 |
14 | 14c7aa85 |
15 | c75832a |
hex | 87b14bd |
142283965 has 16 divisors (see below), whose sum is σ = 182658672. Its totient is φ = 106020864.
The previous prime is 142283927. The next prime is 142283969. The reversal of 142283965 is 569382241.
It can be written as a sum of positive squares in 8 ways, for example, as 8696601 + 133587364 = 2949^2 + 11558^2 .
It is a cyclic number.
It is not a de Polignac number, because 142283965 - 219 = 141759677 is a prime.
It is a super-2 number, since 2×1422839652 = 40489453392242450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142283969) 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, 384 + ... + 16873.
It is an arithmetic number, because the mean of its divisors is an integer number (11416167).
Almost surely, 2142283965 is an apocalyptic number.
It is an amenable number.
142283965 is a deficient number, since it is larger than the sum of its proper divisors (40374707).
142283965 is a wasteful number, since it uses less digits than its factorization.
142283965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17376.
The product of its digits is 103680, while the sum is 40.
The square root of 142283965 is about 11928.2842437628. The cubic root of 142283965 is about 522.0578771036.
The spelling of 142283965 in words is "one hundred forty-two million, two hundred eighty-three thousand, nine hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •