Base | Representation |
---|---|
bin | 11010100101100… |
… | …01000110100101 |
3 | 120112122202202120 |
4 | 31102301012211 |
5 | 424043223100 |
6 | 34044100153 |
7 | 5345445234 |
oct | 1522610645 |
9 | 515582676 |
10 | 223023525 |
11 | 10498896a |
12 | 62834659 |
13 | 372889aa |
14 | 21896b1b |
15 | 148a60a0 |
hex | d4b11a5 |
223023525 has 24 divisors (see below), whose sum is σ = 384767040. Its totient is φ = 113773440.
The previous prime is 223023491. The next prime is 223023529. The reversal of 223023525 is 525320322.
It is not a de Polignac number, because 223023525 - 26 = 223023461 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 223023495 and 223023504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223023529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62920 + ... + 66369.
It is an arithmetic number, because the mean of its divisors is an integer number (16031960).
Almost surely, 2223023525 is an apocalyptic number.
223023525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223023525 is a deficient number, since it is larger than the sum of its proper divisors (161743515).
223023525 is a wasteful number, since it uses less digits than its factorization.
223023525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129325 (or 129320 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 24.
The square root of 223023525 is about 14933.9721775554. The cubic root of 223023525 is about 606.4340228545.
Adding to 223023525 its reverse (525320322), we get a palindrome (748343847).
The spelling of 223023525 in words is "two hundred twenty-three million, twenty-three thousand, five hundred twenty-five".
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