Base | Representation |
---|---|
bin | 11101001011110… |
… | …000011011100111 |
3 | 1021010022100001101 |
4 | 131023300123213 |
5 | 2000320334343 |
6 | 120330140531 |
7 | 15063466060 |
oct | 3513603347 |
9 | 1233270041 |
10 | 489621223 |
11 | 231418743 |
12 | 117b81747 |
13 | 7a590000 |
14 | 49053567 |
15 | 2ceb7e4d |
hex | 1d2f06e7 |
489621223 has 40 divisors (see below), whose sum is σ = 633671680. Its totient is φ = 370150560.
The previous prime is 489621191. The next prime is 489621229. The reversal of 489621223 is 322126984.
It is a happy number.
It is not a de Polignac number, because 489621223 - 25 = 489621191 is a prime.
It is a super-3 number, since 3×4896212233 (a number of 27 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (489621229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6197698 + ... + 6197776.
It is an arithmetic number, because the mean of its divisors is an integer number (15841792).
Almost surely, 2489621223 is an apocalyptic number.
489621223 is a deficient number, since it is larger than the sum of its proper divisors (144050457).
489621223 is an frugal number, since it uses more digits than its factorization.
489621223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169 (or 130 counting only the distinct ones).
The product of its digits is 41472, while the sum is 37.
The square root of 489621223 is about 22127.3862667962. The cubic root of 489621223 is about 788.1703226141.
The spelling of 489621223 in words is "four hundred eighty-nine million, six hundred twenty-one thousand, two hundred twenty-three".
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