Base | Representation |
---|---|
bin | 1001110111111… |
… | …10101001100111 |
3 | 12202212022002221 |
4 | 10323332221213 |
5 | 132201110400 |
6 | 12115213211 |
7 | 2024026432 |
oct | 473765147 |
9 | 182768087 |
10 | 82831975 |
11 | 42835986 |
12 | 238a7207 |
13 | 14212405 |
14 | b002819 |
15 | 7412c1a |
hex | 4efea67 |
82831975 has 24 divisors (see below), whose sum is σ = 108765360. Its totient is φ = 62469120.
The previous prime is 82831967. The next prime is 82832003. The reversal of 82831975 is 57913828.
It is not a de Polignac number, because 82831975 - 23 = 82831967 is a prime.
It is a super-2 number, since 2×828319752 = 13722272164801250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29847 + ... + 32503.
It is an arithmetic number, because the mean of its divisors is an integer number (4531890).
Almost surely, 282831975 is an apocalyptic number.
82831975 is a deficient number, since it is larger than the sum of its proper divisors (25933385).
82831975 is a wasteful number, since it uses less digits than its factorization.
82831975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2739 (or 2734 counting only the distinct ones).
The product of its digits is 120960, while the sum is 43.
The square root of 82831975 is about 9101.2073374910. The cubic root of 82831975 is about 435.9125161146.
The spelling of 82831975 in words is "eighty-two million, eight hundred thirty-one thousand, nine hundred seventy-five".
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