Base | Representation |
---|---|
bin | 11010110001001… |
… | …01110101010001 |
3 | 120122112100000000 |
4 | 31120211311101 |
5 | 424441101400 |
6 | 34140520213 |
7 | 5364434244 |
oct | 1530456521 |
9 | 518470000 |
10 | 224550225 |
11 | 1058309a9 |
12 | 63250069 |
13 | 376a1873 |
14 | 21b7325b |
15 | 14aa8600 |
hex | d625d51 |
224550225 has 81 divisors (see below), whose sum is σ = 429234897. Its totient is φ = 116523360.
The previous prime is 224550223. The next prime is 224550233. The reversal of 224550225 is 522055422.
The square root of 224550225 is 14985.
It is a perfect power (a square), and thus also a powerful number.
224550225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 21316689 + 203233536 = 4617^2 + 14256^2 .
It is a tau number, because it is divible by the number of its divisors (81).
It is not a de Polignac number, because 224550225 - 21 = 224550223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (224550223) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6068907 + ... + 6068943.
Almost surely, 2224550225 is an apocalyptic number.
224550225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
224550225 is the 14985-th square number.
224550225 is the 7493-rd centered octagonal number.
It is an amenable number.
224550225 is a deficient number, since it is larger than the sum of its proper divisors (204684672).
224550225 is an frugal number, since it uses more digits than its factorization.
224550225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108 (or 45 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 27.
The cubic root of 224550225 is about 607.8146518142.
The spelling of 224550225 in words is "two hundred twenty-four million, five hundred fifty thousand, two hundred twenty-five".
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