Base | Representation |
---|---|
bin | 11010100110011… |
… | …10000100111111 |
3 | 120112212210120012 |
4 | 31103032010333 |
5 | 424111022312 |
6 | 34050413435 |
7 | 5346451241 |
oct | 1523160477 |
9 | 515783505 |
10 | 223142207 |
11 | 104a5a052 |
12 | 6289127b |
13 | 372caa12 |
14 | 218c8091 |
15 | 148cb322 |
hex | d4ce13f |
223142207 has 2 divisors, whose sum is σ = 223142208. Its totient is φ = 223142206.
The previous prime is 223142203. The next prime is 223142233. The reversal of 223142207 is 702241322.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 223142207 - 22 = 223142203 is a prime.
It is a super-3 number, since 3×2231422073 (a number of 26 digits) contains 333 as substring.
It is equal to p12286112 and since 223142207 and 12286112 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (223142203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111571103 + 111571104.
It is an arithmetic number, because the mean of its divisors is an integer number (111571104).
Almost surely, 2223142207 is an apocalyptic number.
223142207 is a deficient number, since it is larger than the sum of its proper divisors (1).
223142207 is an equidigital number, since it uses as much as digits as its factorization.
223142207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1344, while the sum is 23.
The square root of 223142207 is about 14937.9452067545. The cubic root of 223142207 is about 606.5415750954.
Adding to 223142207 its reverse (702241322), we get a palindrome (925383529).
The spelling of 223142207 in words is "two hundred twenty-three million, one hundred forty-two thousand, two hundred seven".
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