Base | Representation |
---|---|
bin | 100101011000101… |
… | …000111101110001 |
3 | 1121201012212221011 |
4 | 211120220331301 |
5 | 2241031404431 |
6 | 142123230521 |
7 | 21354151531 |
oct | 4530507561 |
9 | 1551185834 |
10 | 627216241 |
11 | 2a2057933 |
12 | 156078441 |
13 | 9cc37792 |
14 | 5d42d4c1 |
15 | 3a0e6cb1 |
hex | 25628f71 |
627216241 has 4 divisors (see below), whose sum is σ = 664111332. Its totient is φ = 590321152.
The previous prime is 627216229. The next prime is 627216251. The reversal of 627216241 is 142612726.
627216241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 334121841 + 293094400 = 18279^2 + 17120^2 .
It is a cyclic number.
It is not a de Polignac number, because 627216241 - 27 = 627216113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (627216251) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18447520 + ... + 18447553.
It is an arithmetic number, because the mean of its divisors is an integer number (166027833).
Almost surely, 2627216241 is an apocalyptic number.
It is an amenable number.
627216241 is a deficient number, since it is larger than the sum of its proper divisors (36895091).
627216241 is a wasteful number, since it uses less digits than its factorization.
627216241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36895090.
The product of its digits is 8064, while the sum is 31.
The square root of 627216241 is about 25044.2855957202. The cubic root of 627216241 is about 855.9973728520.
Adding to 627216241 its reverse (142612726), we get a palindrome (769828967).
The spelling of 627216241 in words is "six hundred twenty-seven million, two hundred sixteen thousand, two hundred forty-one".
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