Base | Representation |
---|---|
bin | 11010110010100… |
… | …01101111100001 |
3 | 120122212110201100 |
4 | 31121101233201 |
5 | 430012330311 |
6 | 34144425013 |
7 | 5366113512 |
oct | 1531215741 |
9 | 518773640 |
10 | 224730081 |
11 | 105944044 |
12 | 63318169 |
13 | 377356a4 |
14 | 21bbca09 |
15 | 14ae1a56 |
hex | d651be1 |
224730081 has 27 divisors (see below), whose sum is σ = 343901649. Its totient is φ = 141395112.
The previous prime is 224730059. The next prime is 224730097. The reversal of 224730081 is 180037422.
The square root of 224730081 is 14991.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 224730081 - 25 = 224730049 is a prime.
It is a super-2 number, since 2×2247300812 = 101007218612533122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (224730481) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 854356 + ... + 854618.
Almost surely, 2224730081 is an apocalyptic number.
224730081 is the 14991-st square number.
224730081 is the 7496-th centered octagonal number.
It is an amenable number.
224730081 is a deficient number, since it is larger than the sum of its proper divisors (119171568).
224730081 is an equidigital number, since it uses as much as digits as its factorization.
224730081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 570 (or 285 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The cubic root of 224730081 is about 607.9768871422.
The spelling of 224730081 in words is "two hundred twenty-four million, seven hundred thirty thousand, eighty-one".
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