Base | Representation |
---|---|
bin | 1001111000110… |
… | …10111010011101 |
3 | 12210002011220120 |
4 | 10330122322131 |
5 | 132213311431 |
6 | 12121505153 |
7 | 2025021102 |
oct | 474327235 |
9 | 183064816 |
10 | 82947741 |
11 | 42904958 |
12 | 239421b9 |
13 | 14253006 |
14 | b032aa9 |
15 | 7437196 |
hex | 4f1ae9d |
82947741 has 4 divisors (see below), whose sum is σ = 110596992. Its totient is φ = 55298492.
The previous prime is 82947737. The next prime is 82947751. The reversal of 82947741 is 14774928.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 82947741 - 22 = 82947737 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 82947693 and 82947702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82947721) 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, 13824621 + ... + 13824626.
It is an arithmetic number, because the mean of its divisors is an integer number (27649248).
Almost surely, 282947741 is an apocalyptic number.
It is an amenable number.
82947741 is a deficient number, since it is larger than the sum of its proper divisors (27649251).
82947741 is a wasteful number, since it uses less digits than its factorization.
82947741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27649250.
The product of its digits is 112896, while the sum is 42.
The square root of 82947741 is about 9107.5650423151. The cubic root of 82947741 is about 436.1154987476.
The spelling of 82947741 in words is "eighty-two million, nine hundred forty-seven thousand, seven hundred forty-one".
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