Base | Representation |
---|---|
bin | 1001111100001… |
… | …01001010100101 |
3 | 12210220021220101 |
4 | 10332011022211 |
5 | 132321223244 |
6 | 12135104101 |
7 | 2031512656 |
oct | 476051245 |
9 | 183807811 |
10 | 83382949 |
11 | 43081931 |
12 | 23b12031 |
13 | 14376130 |
14 | b10752d |
15 | 74c10d4 |
hex | 4f852a5 |
83382949 has 4 divisors (see below), whose sum is σ = 89797036. Its totient is φ = 76968864.
The previous prime is 83382947. The next prime is 83382961. The reversal of 83382949 is 94928338.
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 9302500 + 74080449 = 3050^2 + 8607^2 .
It is a cyclic number.
It is not a de Polignac number, because 83382949 - 21 = 83382947 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 83382899 and 83382908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83382947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207024 + ... + 3207049.
It is an arithmetic number, because the mean of its divisors is an integer number (22449259).
Almost surely, 283382949 is an apocalyptic number.
It is an amenable number.
83382949 is a deficient number, since it is larger than the sum of its proper divisors (6414087).
83382949 is a wasteful number, since it uses less digits than its factorization.
83382949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6414086.
The product of its digits is 373248, while the sum is 46.
The square root of 83382949 is about 9131.4264493561. The cubic root of 83382949 is about 436.8769017241.
The spelling of 83382949 in words is "eighty-three million, three hundred eighty-two thousand, nine hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •