Base | Representation |
---|---|
bin | 11001011101010… |
… | …100001011010111 |
3 | 1002202200200221100 |
4 | 121131110023113 |
5 | 1333320141343 |
6 | 110214321143 |
7 | 13404263613 |
oct | 3135241327 |
9 | 1082620840 |
10 | 427115223 |
11 | 1aa105a97 |
12 | bb0591b3 |
13 | 6a646502 |
14 | 40a22343 |
15 | 2776c9d3 |
hex | 197542d7 |
427115223 has 12 divisors (see below), whose sum is σ = 619143408. Its totient is φ = 283728480.
The previous prime is 427115209. The next prime is 427115263. The reversal of 427115223 is 322511724.
427115223 is a `hidden beast` number, since 427 + 1 + 15 + 223 = 666.
It is not a de Polignac number, because 427115223 - 24 = 427115207 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427115263) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81915 + ... + 86972.
It is an arithmetic number, because the mean of its divisors is an integer number (51595284).
Almost surely, 2427115223 is an apocalyptic number.
427115223 is a deficient number, since it is larger than the sum of its proper divisors (192028185).
427115223 is a wasteful number, since it uses less digits than its factorization.
427115223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169174 (or 169171 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 427115223 is about 20666.7661476100. The cubic root of 427115223 is about 753.0925480022.
Adding to 427115223 its reverse (322511724), we get a palindrome (749626947).
The spelling of 427115223 in words is "four hundred twenty-seven million, one hundred fifteen thousand, two hundred twenty-three".
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