Base | Representation |
---|---|
bin | 1000111000010… |
… | …00001000110101 |
3 | 12012011002102002 |
4 | 10130020020311 |
5 | 123031412404 |
6 | 11220225045 |
7 | 1563042233 |
oct | 434101065 |
9 | 165132362 |
10 | 74482229 |
11 | 39052668 |
12 | 20b3b185 |
13 | 1257aa33 |
14 | 9c6b953 |
15 | 6813c1e |
hex | 4708235 |
74482229 has 2 divisors, whose sum is σ = 74482230. Its totient is φ = 74482228.
The previous prime is 74482201. The next prime is 74482241. The reversal of 74482229 is 92228447.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 74476900 + 5329 = 8630^2 + 73^2 .
It is an emirp because it is prime and its reverse (92228447) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-74482229 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 74482192 and 74482201.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74482259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37241114 + 37241115.
It is an arithmetic number, because the mean of its divisors is an integer number (37241115).
Almost surely, 274482229 is an apocalyptic number.
It is an amenable number.
74482229 is a deficient number, since it is larger than the sum of its proper divisors (1).
74482229 is an equidigital number, since it uses as much as digits as its factorization.
74482229 is an evil number, because the sum of its binary digits is even.
The product of its digits is 64512, while the sum is 38.
The square root of 74482229 is about 8630.3087430288. The cubic root of 74482229 is about 420.7436353306.
The spelling of 74482229 in words is "seventy-four million, four hundred eighty-two thousand, two hundred twenty-nine".
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