Base | Representation |
---|---|
bin | 1100001110110… |
… | …0011101101101 |
3 | 10120112022122121 |
4 | 3003230131231 |
5 | 101113101310 |
6 | 5031312541 |
7 | 1162021165 |
oct | 303543555 |
9 | 116468577 |
10 | 51300205 |
11 | 26a59670 |
12 | 1521b751 |
13 | a822168 |
14 | 6b555a5 |
15 | 47850da |
hex | 30ec76d |
51300205 has 16 divisors (see below), whose sum is σ = 68299200. Its totient is φ = 36674560.
The previous prime is 51300199. The next prime is 51300211. The reversal of 51300205 is 50200315.
It is an interprime number because it is at equal distance from previous prime (51300199) and next prime (51300211).
It is a de Polignac number, because none of the positive numbers 2k-51300205 is a prime.
It is a super-2 number, since 2×513002052 = 5263422066084050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4660 + ... + 11149.
It is an arithmetic number, because the mean of its divisors is an integer number (4268700).
Almost surely, 251300205 is an apocalyptic number.
51300205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
51300205 is a deficient number, since it is larger than the sum of its proper divisors (16998995).
51300205 is a wasteful number, since it uses less digits than its factorization.
51300205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15884.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 51300205 is about 7162.4161426156. The cubic root of 51300205 is about 371.5691938305.
The spelling of 51300205 in words is "fifty-one million, three hundred thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •