Base | Representation |
---|---|
bin | 1100001110001… |
… | …1001101001101 |
3 | 10120110101122011 |
4 | 3003203031031 |
5 | 101110343120 |
6 | 5030421221 |
7 | 1161502504 |
oct | 303431515 |
9 | 116411564 |
10 | 51262285 |
11 | 26a33128 |
12 | 15201811 |
13 | a80ab19 |
14 | 6b4583b |
15 | 4778c5a |
hex | 30e334d |
51262285 has 32 divisors (see below), whose sum is σ = 69984000. Its totient is φ = 35836416.
The previous prime is 51262273. The next prime is 51262291. The reversal of 51262285 is 58226215.
51262285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 51262285 - 29 = 51261773 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62961 + ... + 63769.
It is an arithmetic number, because the mean of its divisors is an integer number (2187000).
Almost surely, 251262285 is an apocalyptic number.
It is an amenable number.
51262285 is a deficient number, since it is larger than the sum of its proper divisors (18721715).
51262285 is a wasteful number, since it uses less digits than its factorization.
51262285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 885.
The product of its digits is 9600, while the sum is 31.
The square root of 51262285 is about 7159.7685018442. The cubic root of 51262285 is about 371.4776192977.
The spelling of 51262285 in words is "fifty-one million, two hundred sixty-two thousand, two hundred eighty-five".
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