Base | Representation |
---|---|
bin | 1100001111100… |
… | …1001010001001 |
3 | 10120121221222101 |
4 | 3003321022021 |
5 | 101121232301 |
6 | 5032353401 |
7 | 1162325605 |
oct | 303711211 |
9 | 116557871 |
10 | 51352201 |
11 | 26a9473a |
12 | 15245861 |
13 | a83ca24 |
14 | 6b6a505 |
15 | 4795701 |
hex | 30f9289 |
51352201 has 2 divisors, whose sum is σ = 51352202. Its totient is φ = 51352200.
The previous prime is 51352181. The next prime is 51352207. The reversal of 51352201 is 10225315.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 46172025 + 5180176 = 6795^2 + 2276^2 .
It is a cyclic number.
It is not a de Polignac number, because 51352201 - 211 = 51350153 is a prime.
It is not a weakly prime, because it can be changed into another prime (51352207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25676100 + 25676101.
It is an arithmetic number, because the mean of its divisors is an integer number (25676101).
Almost surely, 251352201 is an apocalyptic number.
It is an amenable number.
51352201 is a deficient number, since it is larger than the sum of its proper divisors (1).
51352201 is an equidigital number, since it uses as much as digits as its factorization.
51352201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 51352201 is about 7166.0450040451. The cubic root of 51352201 is about 371.6946877285.
Adding to 51352201 its reverse (10225315), we get a palindrome (61577516).
The spelling of 51352201 in words is "fifty-one million, three hundred fifty-two thousand, two hundred one".
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