Base | Representation |
---|---|
bin | 11010100101011… |
… | …10010111100101 |
3 | 120112122012101202 |
4 | 31102232113211 |
5 | 424042343300 |
6 | 34043532245 |
7 | 5345400464 |
oct | 1522562745 |
9 | 515565352 |
10 | 223012325 |
11 | 104980508 |
12 | 6282a085 |
13 | 37283873 |
14 | 218929db |
15 | 148a2ad5 |
hex | d4ae5e5 |
223012325 has 12 divisors (see below), whose sum is σ = 283281348. Its totient is φ = 174057600.
The previous prime is 223012303. The next prime is 223012327. The reversal of 223012325 is 523210322.
It can be written as a sum of positive squares in 6 ways, for example, as 49589764 + 173422561 = 7042^2 + 13169^2 .
It is not a de Polignac number, because 223012325 - 218 = 222750181 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223012297 and 223012306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223012327) 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, 107762 + ... + 109811.
It is an arithmetic number, because the mean of its divisors is an integer number (23606779).
Almost surely, 2223012325 is an apocalyptic number.
223012325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223012325 is a deficient number, since it is larger than the sum of its proper divisors (60269023).
223012325 is a wasteful number, since it uses less digits than its factorization.
223012325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217624 (or 217619 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 223012325 is about 14933.5971888892. The cubic root of 223012325 is about 606.4238711978.
Adding to 223012325 its reverse (523210322), we get a palindrome (746222647).
The spelling of 223012325 in words is "two hundred twenty-three million, twelve thousand, three hundred twenty-five".
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