Base | Representation |
---|---|
bin | 1001111001111… |
… | …00111110000101 |
3 | 12210100021021002 |
4 | 10330330332011 |
5 | 132232242422 |
6 | 12124503045 |
7 | 2026141562 |
oct | 474747605 |
9 | 183307232 |
10 | 83087237 |
11 | 4299a742 |
12 | 239aaa85 |
13 | 142a165c |
14 | b06b869 |
15 | 7463692 |
hex | 4f3cf85 |
83087237 has 8 divisors (see below), whose sum is σ = 85450752. Its totient is φ = 80730000.
The previous prime is 83087203. The next prime is 83087261. The reversal of 83087237 is 73278038.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83087237 - 212 = 83083141 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 83087237.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83087267) 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, 41612 + ... + 43562.
It is an arithmetic number, because the mean of its divisors is an integer number (10681344).
Almost surely, 283087237 is an apocalyptic number.
It is an amenable number.
83087237 is a deficient number, since it is larger than the sum of its proper divisors (2363515).
83087237 is a wasteful number, since it uses less digits than its factorization.
83087237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3139.
The product of its (nonzero) digits is 56448, while the sum is 38.
The square root of 83087237 is about 9115.2200741397. The cubic root of 83087237 is about 436.3598385178.
The spelling of 83087237 in words is "eighty-three million, eighty-seven thousand, two hundred thirty-seven".
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