Base | Representation |
---|---|
bin | 1111010111110111… |
… | …00010110101010111 |
3 | 210022011220010111110 |
4 | 13223323202311113 |
5 | 113400311102411 |
6 | 3442543110103 |
7 | 411344142252 |
oct | 75373426527 |
9 | 23264803443 |
10 | 8253222231 |
11 | 3555802021 |
12 | 1723ba2333 |
13 | a16b43367 |
14 | 584182099 |
15 | 3348692a6 |
hex | 1ebee2d57 |
8253222231 has 16 divisors (see below), whose sum is σ = 11241635328. Its totient is φ = 5383545600.
The previous prime is 8253222221. The next prime is 8253222277. The reversal of 8253222231 is 1322223528.
It is not a de Polignac number, because 8253222231 - 229 = 7716351319 is a prime.
It is a super-2 number, since 2×82532222312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8253222221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700711 + ... + 712391.
It is an arithmetic number, because the mean of its divisors is an integer number (702602208).
Almost surely, 28253222231 is an apocalyptic number.
8253222231 is a deficient number, since it is larger than the sum of its proper divisors (2988413097).
8253222231 is a wasteful number, since it uses less digits than its factorization.
8253222231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16742.
The product of its digits is 11520, while the sum is 30.
The square root of 8253222231 is about 90847.2466891540. The cubic root of 8253222231 is about 2020.8830429155.
Adding to 8253222231 its reverse (1322223528), we get a palindrome (9575445759).
The spelling of 8253222231 in words is "eight billion, two hundred fifty-three million, two hundred twenty-two thousand, two hundred thirty-one".
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