Base | Representation |
---|---|
bin | 1100001110010… |
… | …1000111110111 |
3 | 10120110210101220 |
4 | 3003211013313 |
5 | 101111121020 |
6 | 5030521423 |
7 | 1161534420 |
oct | 303450767 |
9 | 116423356 |
10 | 51270135 |
11 | 26a39014 |
12 | 15206273 |
13 | a811577 |
14 | 6b48647 |
15 | 477b240 |
hex | 30e51f7 |
51270135 has 16 divisors (see below), whose sum is σ = 93751296. Its totient is φ = 23437728.
The previous prime is 51270119. The next prime is 51270137. The reversal of 51270135 is 53107215.
It is not a de Polignac number, because 51270135 - 24 = 51270119 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51270137) 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, 244039 + ... + 244248.
It is an arithmetic number, because the mean of its divisors is an integer number (5859456).
Almost surely, 251270135 is an apocalyptic number.
51270135 is a deficient number, since it is larger than the sum of its proper divisors (42481161).
51270135 is a wasteful number, since it uses less digits than its factorization.
51270135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 488302.
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 51270135 is about 7160.3166829408. The cubic root of 51270135 is about 371.4965802842.
The spelling of 51270135 in words is "fifty-one million, two hundred seventy thousand, one hundred thirty-five".
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