Base | Representation |
---|---|
bin | 11011010110000… |
… | …10001111100111 |
3 | 120222121222022211 |
4 | 31223002033213 |
5 | 432210311231 |
6 | 34432304251 |
7 | 5453512330 |
oct | 1553021747 |
9 | 528558284 |
10 | 229385191 |
11 | 108533542 |
12 | 649a2087 |
13 | 386a54a9 |
14 | 22671287 |
15 | 15210eb1 |
hex | dac23e7 |
229385191 has 8 divisors (see below), whose sum is σ = 265313664. Its totient is φ = 194246520.
The previous prime is 229385179. The next prime is 229385207. The reversal of 229385191 is 191583922.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 229385191 - 217 = 229254119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (229385161) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196825 + ... + 197986.
It is an arithmetic number, because the mean of its divisors is an integer number (33164208).
Almost surely, 2229385191 is an apocalyptic number.
229385191 is a deficient number, since it is larger than the sum of its proper divisors (35928473).
229385191 is an equidigital number, since it uses as much as digits as its factorization.
229385191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394901.
The product of its digits is 38880, while the sum is 40.
The square root of 229385191 is about 15145.4676718812. The cubic root of 229385191 is about 612.1461544152.
The spelling of 229385191 in words is "two hundred twenty-nine million, three hundred eighty-five thousand, one hundred ninety-one".
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