Base | Representation |
---|---|
bin | 1100001110110… |
… | …0101101010101 |
3 | 10120112101000122 |
4 | 3003230231111 |
5 | 101113114310 |
6 | 5031321325 |
7 | 1162024124 |
oct | 303545525 |
9 | 116471018 |
10 | 51301205 |
11 | 26a5a39a |
12 | 15220245 |
13 | a822757 |
14 | 6b55abb |
15 | 4785555 |
hex | 30ecb55 |
51301205 has 16 divisors (see below), whose sum is σ = 63244800. Its totient is φ = 39929472.
The previous prime is 51301141. The next prime is 51301207. The reversal of 51301205 is 50210315.
It is a cyclic number.
It is not a de Polignac number, because 51301205 - 26 = 51301141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51301207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46217 + ... + 47313.
It is an arithmetic number, because the mean of its divisors is an integer number (3952800).
Almost surely, 251301205 is an apocalyptic number.
It is an amenable number.
51301205 is a deficient number, since it is larger than the sum of its proper divisors (11943595).
51301205 is a wasteful number, since it uses less digits than its factorization.
51301205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1348.
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 51301205 is about 7162.4859511206. The cubic root of 51301205 is about 371.5716081599.
The spelling of 51301205 in words is "fifty-one million, three hundred one thousand, two hundred five".
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