Base | Representation |
---|---|
bin | 1010000000101… |
… | …00101101000011 |
3 | 12212000011101201 |
4 | 11000110231003 |
5 | 132444032013 |
6 | 12155442031 |
7 | 2036512033 |
oct | 500245503 |
9 | 185004351 |
10 | 83970883 |
11 | 43443627 |
12 | 24156317 |
13 | 14520919 |
14 | b21b8c3 |
15 | 758a3dd |
hex | 5014b43 |
83970883 has 4 divisors (see below), whose sum is σ = 84096328. Its totient is φ = 83845440.
The previous prime is 83970881. The next prime is 83970889. The reversal of 83970883 is 38807938.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 83970883 - 21 = 83970881 is a prime.
It is a super-3 number, since 3×839708833 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83970881) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61713 + ... + 63058.
It is an arithmetic number, because the mean of its divisors is an integer number (21024082).
Almost surely, 283970883 is an apocalyptic number.
83970883 is a deficient number, since it is larger than the sum of its proper divisors (125445).
83970883 is a wasteful number, since it uses less digits than its factorization.
83970883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125444.
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 83970883 is about 9163.5627896577. The cubic root of 83970883 is about 437.9013055778.
The spelling of 83970883 in words is "eighty-three million, nine hundred seventy thousand, eight hundred eighty-three".
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