Base | Representation |
---|---|
bin | 1100110110000… |
… | …1111000001110 |
3 | 10202101022010002 |
4 | 3031201320032 |
5 | 102243101121 |
6 | 5202444302 |
7 | 1222646360 |
oct | 315417016 |
9 | 122338102 |
10 | 53878286 |
11 | 2845a610 |
12 | 16063692 |
13 | b215757 |
14 | 7226d30 |
15 | 4ae3e0b |
hex | 3361e0e |
53878286 has 32 divisors (see below), whose sum is σ = 101917440. Its totient is φ = 20750400.
The previous prime is 53878277. The next prime is 53878289. The reversal of 53878286 is 68287835.
53878286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 53878286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53878289) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 11741 + ... + 15671.
It is an arithmetic number, because the mean of its divisors is an integer number (3184920).
Almost surely, 253878286 is an apocalyptic number.
53878286 is a deficient number, since it is larger than the sum of its proper divisors (48039154).
53878286 is a wasteful number, since it uses less digits than its factorization.
53878286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4040.
The product of its digits is 645120, while the sum is 47.
The square root of 53878286 is about 7340.1829677468. The cubic root of 53878286 is about 377.6921198013.
The spelling of 53878286 in words is "fifty-three million, eight hundred seventy-eight thousand, two hundred eighty-six".
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