Base | Representation |
---|---|
bin | 11010100110010… |
… | …11101100111000 |
3 | 120112212022012122 |
4 | 31103023230320 |
5 | 424110214342 |
6 | 34050300412 |
7 | 5346410663 |
oct | 1523135470 |
9 | 515768178 |
10 | 223132472 |
11 | 104a52802 |
12 | 62887708 |
13 | 372c6464 |
14 | 218c46da |
15 | 148c84d2 |
hex | d4cbb38 |
223132472 has 8 divisors (see below), whose sum is σ = 418373400. Its totient is φ = 111566232.
The previous prime is 223132471. The next prime is 223132487. The reversal of 223132472 is 274231322.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-3 number, since 3×2231324723 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223132471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13945772 + ... + 13945787.
It is an arithmetic number, because the mean of its divisors is an integer number (52296675).
Almost surely, 2223132472 is an apocalyptic number.
It is an amenable number.
223132472 is a deficient number, since it is larger than the sum of its proper divisors (195240928).
223132472 is a wasteful number, since it uses less digits than its factorization.
223132472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27891565 (or 27891561 counting only the distinct ones).
The product of its digits is 4032, while the sum is 26.
The square root of 223132472 is about 14937.6193551717. The cubic root of 223132472 is about 606.5327544601.
Adding to 223132472 its reverse (274231322), we get a palindrome (497363794).
The spelling of 223132472 in words is "two hundred twenty-three million, one hundred thirty-two thousand, four hundred seventy-two".
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