Base | Representation |
---|---|
bin | 1100101011111… |
… | …0011001101000 |
3 | 10201010021120212 |
4 | 3022332121220 |
5 | 102110134210 |
6 | 5140240252 |
7 | 1214160230 |
oct | 312763150 |
9 | 121107525 |
10 | 53208680 |
11 | 28042518 |
12 | 159a0088 |
13 | b03ca35 |
14 | 70d0cc0 |
15 | 4a10805 |
hex | 32be668 |
53208680 has 32 divisors (see below), whose sum is σ = 136823040. Its totient is φ = 18242880.
The previous prime is 53208647. The next prime is 53208689. The reversal of 53208680 is 8680235.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (53208689) 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, 94736 + ... + 95295.
It is an arithmetic number, because the mean of its divisors is an integer number (4275720).
Almost surely, 253208680 is an apocalyptic number.
It is an amenable number.
53208680 is an abundant number, since it is smaller than the sum of its proper divisors (83614360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53208680 is a wasteful number, since it uses less digits than its factorization.
53208680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190049 (or 190045 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 53208680 is about 7294.4280104748. The cubic root of 53208680 is about 376.1209245882.
The spelling of 53208680 in words is "fifty-three million, two hundred eight thousand, six hundred eighty".
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