Base | Representation |
---|---|
bin | 100000111010011… |
… | …110110101101101 |
3 | 1102111001202011102 |
4 | 200322132311231 |
5 | 2112330422311 |
6 | 130443332445 |
7 | 16453431101 |
oct | 4072366555 |
9 | 1374052142 |
10 | 552201581 |
11 | 263781248 |
12 | 134b21125 |
13 | 8a5315c9 |
14 | 534a3901 |
15 | 3372a43b |
hex | 20e9ed6d |
552201581 has 2 divisors, whose sum is σ = 552201582. Its totient is φ = 552201580.
The previous prime is 552201563. The next prime is 552201589. The reversal of 552201581 is 185102255.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 550324681 + 1876900 = 23459^2 + 1370^2 .
It is a cyclic number.
It is not a de Polignac number, because 552201581 - 214 = 552185197 is a prime.
It is a super-2 number, since 2×5522015812 = 609853172117799122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (552201589) 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 as a sum of consecutive naturals, namely, 276100790 + 276100791.
It is an arithmetic number, because the mean of its divisors is an integer number (276100791).
Almost surely, 2552201581 is an apocalyptic number.
It is an amenable number.
552201581 is a deficient number, since it is larger than the sum of its proper divisors (1).
552201581 is an equidigital number, since it uses as much as digits as its factorization.
552201581 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4000, while the sum is 29.
The square root of 552201581 is about 23498.9697859289. The cubic root of 552201581 is about 820.4130285900.
The spelling of 552201581 in words is "five hundred fifty-two million, two hundred one thousand, five hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •