Base | Representation |
---|---|
bin | 11110011100111110000110 |
3 | 120000120121000 |
4 | 132130332012 |
5 | 4020423412 |
6 | 443034130 |
7 | 124566000 |
oct | 36347606 |
9 | 16016530 |
10 | 7982982 |
11 | 4562807 |
12 | 280b946 |
13 | 1866777 |
14 | 10bb370 |
15 | a7a4dc |
hex | 79cf86 |
7982982 has 64 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 2275560.
The previous prime is 7982981. The next prime is 7982999. The reversal of 7982982 is 2892897.
It is a super-2 number, since 2×79829822 = 127456003224648, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7982981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18307 + ... + 18737.
It is an arithmetic number, because the mean of its divisors is an integer number (324000).
Almost surely, 27982982 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7982982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368000).
7982982 is an abundant number, since it is smaller than the sum of its proper divisors (12753018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7982982 is a wasteful number, since it uses less digits than its factorization.
7982982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463 (or 443 counting only the distinct ones).
The product of its digits is 145152, while the sum is 45.
The square root of 7982982 is about 2825.4171373445. The cubic root of 7982982 is about 199.8580826545.
The spelling of 7982982 in words is "seven million, nine hundred eighty-two thousand, nine hundred eighty-two".
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