Base | Representation |
---|---|
bin | 11011010100011… |
… | …01110000110111 |
3 | 120222020001110100 |
4 | 31222031300313 |
5 | 432131421411 |
6 | 34423525143 |
7 | 5451625533 |
oct | 1552156067 |
9 | 528201410 |
10 | 229170231 |
11 | 1083a6a94 |
12 | 648b97b3 |
13 | 3862b6b4 |
14 | 22616bc3 |
15 | 151bc456 |
hex | da8dc37 |
229170231 has 24 divisors (see below), whose sum is σ = 337513280. Its totient is φ = 149812416.
The previous prime is 229170223. The next prime is 229170233. The reversal of 229170231 is 132071922.
It is not a de Polignac number, because 229170231 - 23 = 229170223 is a prime.
It is a super-2 number, since 2×2291702312 = 105037989553186722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 229170195 and 229170204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229170233) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110601 + ... + 112653.
Almost surely, 2229170231 is an apocalyptic number.
229170231 is a deficient number, since it is larger than the sum of its proper divisors (108343049).
229170231 is a wasteful number, since it uses less digits than its factorization.
229170231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2295 (or 2292 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 229170231 is about 15138.3694960851. The cubic root of 229170231 is about 611.9548778087.
The spelling of 229170231 in words is "two hundred twenty-nine million, one hundred seventy thousand, two hundred thirty-one".
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