Base | Representation |
---|---|
bin | 1100101000111… |
… | …0100011001000 |
3 | 10200202022201121 |
4 | 3022032203020 |
5 | 102032401210 |
6 | 5132125024 |
7 | 1212412630 |
oct | 312164310 |
9 | 120668647 |
10 | 53012680 |
11 | 27a19236 |
12 | 15906774 |
13 | aca1766 |
14 | 707d6c0 |
15 | 49c26da |
hex | 328e8c8 |
53012680 has 64 divisors (see below), whose sum is σ = 138672000. Its totient is φ = 17862144.
The previous prime is 53012669. The next prime is 53012683. The reversal of 53012680 is 8621035.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (53012683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14916 + ... + 18124.
It is an arithmetic number, because the mean of its divisors is an integer number (2166750).
Almost surely, 253012680 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53012680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69336000).
53012680 is an abundant number, since it is smaller than the sum of its proper divisors (85659320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53012680 is a wasteful number, since it uses less digits than its factorization.
53012680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3286 (or 3282 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 53012680 is about 7280.9807031745. The cubic root of 53012680 is about 375.6585288218.
The spelling of 53012680 in words is "fifty-three million, twelve thousand, six hundred eighty".
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