Base | Representation |
---|---|
bin | 1100100101101… |
… | …1000001010100 |
3 | 10200100121012120 |
4 | 3021123001110 |
5 | 102004122440 |
6 | 5123415540 |
7 | 1210543404 |
oct | 311330124 |
9 | 120317176 |
10 | 52801620 |
11 | 27894703 |
12 | 158245b0 |
13 | ac29681 |
14 | 7026804 |
15 | 497edd0 |
hex | 325b054 |
52801620 has 24 divisors (see below), whose sum is σ = 147844704. Its totient is φ = 14080416.
The previous prime is 52801601. The next prime is 52801657. The reversal of 52801620 is 2610825.
It is a super-2 number, since 2×528016202 = 5576022149248800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 439954 + ... + 440073.
It is an arithmetic number, because the mean of its divisors is an integer number (6160196).
Almost surely, 252801620 is an apocalyptic number.
It is an amenable number.
52801620 is an abundant number, since it is smaller than the sum of its proper divisors (95043084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52801620 is a wasteful number, since it uses less digits than its factorization.
52801620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 880039 (or 880037 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 52801620 is about 7266.4723215602. The cubic root of 52801620 is about 375.1593278517.
The spelling of 52801620 in words is "fifty-two million, eight hundred one thousand, six hundred twenty".
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