Base | Representation |
---|---|
bin | 1001111011100… |
… | …00111110000111 |
3 | 12210202002102202 |
4 | 10331300332013 |
5 | 132311101411 |
6 | 12133225115 |
7 | 2031016550 |
oct | 475607607 |
9 | 183662382 |
10 | 83300231 |
11 | 43025773 |
12 | 23a9219b |
13 | 143475a1 |
14 | b0c5327 |
15 | 74a683b |
hex | 4f70f87 |
83300231 has 4 divisors (see below), whose sum is σ = 95200272. Its totient is φ = 71400192.
The previous prime is 83300219. The next prime is 83300279. The reversal of 83300231 is 13200338.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13200338 = 2 ⋅6600169.
It is a cyclic number.
It is not a de Polignac number, because 83300231 - 26 = 83300167 is a prime.
It is a super-2 number, since 2×833002312 = 13877856969306722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83300291) 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, 5950010 + ... + 5950023.
It is an arithmetic number, because the mean of its divisors is an integer number (23800068).
Almost surely, 283300231 is an apocalyptic number.
83300231 is a deficient number, since it is larger than the sum of its proper divisors (11900041).
83300231 is a wasteful number, since it uses less digits than its factorization.
83300231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11900040.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 83300231 is about 9126.8960221973. The cubic root of 83300231 is about 436.7323896051.
Adding to 83300231 its reverse (13200338), we get a palindrome (96500569).
The spelling of 83300231 in words is "eighty-three million, three hundred thousand, two hundred thirty-one".
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