Base | Representation |
---|---|
bin | 1001111111101… |
… | …11101100111011 |
3 | 12211210010110000 |
4 | 10333313230323 |
5 | 132431231331 |
6 | 12153124043 |
7 | 2035505511 |
oct | 477675473 |
9 | 184703400 |
10 | 83852091 |
11 | 43372354 |
12 | 240b9623 |
13 | 144ab82b |
14 | b1ca4b1 |
15 | 75650e6 |
hex | 4ff7b3b |
83852091 has 10 divisors (see below), whose sum is σ = 125260652. Its totient is φ = 55901340.
The previous prime is 83852081. The next prime is 83852099. The reversal of 83852091 is 19025838.
It is not a de Polignac number, because 83852091 - 25 = 83852059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83852099) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 517525 + ... + 517686.
Almost surely, 283852091 is an apocalyptic number.
83852091 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
83852091 is a deficient number, since it is larger than the sum of its proper divisors (41408561).
83852091 is a wasteful number, since it uses less digits than its factorization.
83852091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1035223 (or 1035214 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 83852091 is about 9157.0787372393. The cubic root of 83852091 is about 437.6947112620.
The spelling of 83852091 in words is "eighty-three million, eight hundred fifty-two thousand, ninety-one".
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