Base | Representation |
---|---|
bin | 1001111110100… |
… | …11000101111101 |
3 | 12211111111202022 |
4 | 10333103011331 |
5 | 132411432031 |
6 | 12150005525 |
7 | 2034312365 |
oct | 477230575 |
9 | 184444668 |
10 | 83702141 |
11 | 4327a726 |
12 | 240468a5 |
13 | 144584c3 |
14 | b18b9a5 |
15 | 753597b |
hex | 4fd317d |
83702141 has 4 divisors (see below), whose sum is σ = 84484512. Its totient is φ = 82919772.
The previous prime is 83702137. The next prime is 83702153. The reversal of 83702141 is 14120738.
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 83702141 - 22 = 83702137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 83702141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83702111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391025 + ... + 391238.
It is an arithmetic number, because the mean of its divisors is an integer number (21121128).
Almost surely, 283702141 is an apocalyptic number.
It is an amenable number.
83702141 is a deficient number, since it is larger than the sum of its proper divisors (782371).
83702141 is a wasteful number, since it uses less digits than its factorization.
83702141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 782370.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 83702141 is about 9148.8874186974. The cubic root of 83702141 is about 437.4336504552.
Adding to 83702141 its reverse (14120738), we get a palindrome (97822879).
The spelling of 83702141 in words is "eighty-three million, seven hundred two thousand, one hundred forty-one".
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