Base | Representation |
---|---|
bin | 1100101110100… |
… | …1110110101100 |
3 | 10201110022202000 |
4 | 3023221312230 |
5 | 102131333133 |
6 | 5144132300 |
7 | 1215531156 |
oct | 313516654 |
9 | 121408660 |
10 | 53386668 |
11 | 28154215 |
12 | 15a67090 |
13 | b0a2a5a |
14 | 7139ad6 |
15 | 4a48413 |
hex | 32e9dac |
53386668 has 48 divisors (see below), whose sum is σ = 138804960. Its totient is φ = 17744832.
The previous prime is 53386667. The next prime is 53386673. The reversal of 53386668 is 86668335.
It is not an unprimeable number, because it can be changed into a prime (53386667) 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, 70146 + ... + 70902.
It is an arithmetic number, because the mean of its divisors is an integer number (2891770).
Almost surely, 253386668 is an apocalyptic number.
It is an amenable number.
53386668 is an abundant number, since it is smaller than the sum of its proper divisors (85418292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53386668 is a wasteful number, since it uses less digits than its factorization.
53386668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1423 (or 1415 counting only the distinct ones).
The product of its digits is 622080, while the sum is 45.
The square root of 53386668 is about 7306.6180959456. The cubic root of 53386668 is about 376.5398443570.
The spelling of 53386668 in words is "fifty-three million, three hundred eighty-six thousand, six hundred sixty-eight".
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