Base | Representation |
---|---|
bin | 1001110100011… |
… | …10000110111001 |
3 | 12201222212202211 |
4 | 10322032012321 |
5 | 132041333001 |
6 | 12101255121 |
7 | 2020066456 |
oct | 472160671 |
9 | 181885684 |
10 | 82371001 |
11 | 42550609 |
12 | 237044a1 |
13 | 140b064b |
14 | ad2282d |
15 | 7371351 |
hex | 4e8e1b9 |
82371001 has 4 divisors (see below), whose sum is σ = 87216372. Its totient is φ = 77525632.
The previous prime is 82370993. The next prime is 82371017. The reversal of 82371001 is 10017328.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 63186601 + 19184400 = 7949^2 + 4380^2 .
It is a cyclic number.
It is not a de Polignac number, because 82371001 - 23 = 82370993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82371301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422660 + ... + 2422693.
It is an arithmetic number, because the mean of its divisors is an integer number (21804093).
Almost surely, 282371001 is an apocalyptic number.
It is an amenable number.
82371001 is a deficient number, since it is larger than the sum of its proper divisors (4845371).
82371001 is a wasteful number, since it uses less digits than its factorization.
82371001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4845370.
The product of its (nonzero) digits is 336, while the sum is 22.
The square root of 82371001 is about 9075.8471229963. The cubic root of 82371001 is about 435.1023690021.
Adding to 82371001 its reverse (10017328), we get a palindrome (92388329).
It can be divided in two parts, 823 and 71001, that added together give a square (71824 = 2682).
The spelling of 82371001 in words is "eighty-two million, three hundred seventy-one thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •