Base | Representation |
---|---|
bin | 1001111011000… |
… | …01110011110101 |
3 | 12210121221020211 |
4 | 10331201303311 |
5 | 132302110013 |
6 | 12132025421 |
7 | 2030340526 |
oct | 475416365 |
9 | 183557224 |
10 | 83238133 |
11 | 42a93050 |
12 | 23a62271 |
13 | 14325244 |
14 | b0aa84d |
15 | 749323d |
hex | 4f61cf5 |
83238133 has 8 divisors (see below), whose sum is σ = 90889920. Its totient is φ = 75600480.
The previous prime is 83238109. The next prime is 83238157. The reversal of 83238133 is 33183238.
It is an interprime number because it is at equal distance from previous prime (83238109) and next prime (83238157).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-83238133 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 83238095 and 83238104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83238163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11641 + ... + 17377.
It is an arithmetic number, because the mean of its divisors is an integer number (11361240).
Almost surely, 283238133 is an apocalyptic number.
It is an amenable number.
83238133 is a deficient number, since it is larger than the sum of its proper divisors (7651787).
83238133 is a wasteful number, since it uses less digits than its factorization.
83238133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7067.
The product of its digits is 10368, while the sum is 31.
The square root of 83238133 is about 9123.4934646768. The cubic root of 83238133 is about 436.6238386862.
The spelling of 83238133 in words is "eighty-three million, two hundred thirty-eight thousand, one hundred thirty-three".
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