Base | Representation |
---|---|
bin | 1100001010101… |
… | …0100010111001 |
3 | 10120000121021110 |
4 | 3002222202321 |
5 | 101030431301 |
6 | 5021430533 |
7 | 1156515045 |
oct | 302524271 |
9 | 116017243 |
10 | 51030201 |
11 | 26894822 |
12 | 1510b449 |
13 | a7592b1 |
14 | 6ac5025 |
15 | 47300d6 |
hex | 30aa8b9 |
51030201 has 8 divisors (see below), whose sum is σ = 68088384. Its totient is φ = 33996080.
The previous prime is 51030193. The next prime is 51030211. The reversal of 51030201 is 10203015.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51030201 - 23 = 51030193 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (51030211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 10106.
It is an arithmetic number, because the mean of its divisors is an integer number (8511048).
Almost surely, 251030201 is an apocalyptic number.
It is an amenable number.
51030201 is a deficient number, since it is larger than the sum of its proper divisors (17058183).
51030201 is a wasteful number, since it uses less digits than its factorization.
51030201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12031.
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 51030201 is about 7143.5426085381. The cubic root of 51030201 is about 370.9161639770.
Adding to 51030201 its reverse (10203015), we get a palindrome (61233216).
The spelling of 51030201 in words is "fifty-one million, thirty thousand, two hundred one".
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