Base | Representation |
---|---|
bin | 1100110000111… |
… | …1111100011000 |
3 | 10201202020202020 |
4 | 3030033330120 |
5 | 102201331210 |
6 | 5151334440 |
7 | 1220051052 |
oct | 314177430 |
9 | 121666666 |
10 | 53542680 |
11 | 28250454 |
12 | 15b21420 |
13 | b128a79 |
14 | 717a8d2 |
15 | 4a79770 |
hex | 330ff18 |
53542680 has 32 divisors (see below), whose sum is σ = 160628400. Its totient is φ = 14278016.
The previous prime is 53542669. The next prime is 53542681. The reversal of 53542680 is 8624535.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53542681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222975 + ... + 223214.
Almost surely, 253542680 is an apocalyptic number.
It is an amenable number.
53542680 is an abundant number, since it is smaller than the sum of its proper divisors (107085720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53542680 is a wasteful number, since it uses less digits than its factorization.
53542680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446203 (or 446199 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 53542680 is about 7317.2863822595. The cubic root of 53542680 is about 376.9062754394.
The spelling of 53542680 in words is "fifty-three million, five hundred forty-two thousand, six hundred eighty".
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