Base | Representation |
---|---|
bin | 1001111111000… |
… | …00000011000001 |
3 | 12211121012112111 |
4 | 10333200003001 |
5 | 132420131301 |
6 | 12151055321 |
7 | 2034623155 |
oct | 477400301 |
9 | 184535474 |
10 | 83755201 |
11 | 43306582 |
12 | 24071541 |
13 | 144766ba |
14 | b1a3065 |
15 | 7546551 |
hex | 4fe00c1 |
83755201 has 4 divisors (see below), whose sum is σ = 83970900. Its totient is φ = 83539504.
The previous prime is 83755193. The next prime is 83755207. The reversal of 83755201 is 10255738.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10255738 = 2 ⋅5127869.
It can be written as a sum of positive squares in 2 ways, for example, as 20711601 + 63043600 = 4551^2 + 7940^2 .
It is a cyclic number.
It is not a de Polignac number, because 83755201 - 23 = 83755193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83755207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107266 + ... + 108043.
It is an arithmetic number, because the mean of its divisors is an integer number (20992725).
Almost surely, 283755201 is an apocalyptic number.
It is an amenable number.
83755201 is a deficient number, since it is larger than the sum of its proper divisors (215699).
83755201 is a wasteful number, since it uses less digits than its factorization.
83755201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215698.
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 83755201 is about 9151.7867654355. The cubic root of 83755201 is about 437.5260627739.
The spelling of 83755201 in words is "eighty-three million, seven hundred fifty-five thousand, two hundred one".
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