Base | Representation |
---|---|
bin | 1100100110100… |
… | …1010001110100 |
3 | 10200110120022112 |
4 | 3021221101310 |
5 | 102013010040 |
6 | 5124550152 |
7 | 1211205563 |
oct | 311512164 |
9 | 120416275 |
10 | 52860020 |
11 | 27924574 |
12 | 15852358 |
13 | ac4a125 |
14 | 703dbda |
15 | 4992365 |
hex | 3269474 |
52860020 has 24 divisors (see below), whose sum is σ = 111218184. Its totient is φ = 21103616.
The previous prime is 52860001. The next prime is 52860023. The reversal of 52860020 is 2006825.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 11437924 + 41422096 = 3382^2 + 6436^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52860023) 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, 9632 + ... + 14088.
It is an arithmetic number, because the mean of its divisors is an integer number (4634091).
Almost surely, 252860020 is an apocalyptic number.
It is an amenable number.
52860020 is an abundant number, since it is smaller than the sum of its proper divisors (58358164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52860020 is a wasteful number, since it uses less digits than its factorization.
52860020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5059 (or 5057 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 52860020 is about 7270.4896671407. The cubic root of 52860020 is about 375.2975889649.
Adding to 52860020 its reverse (2006825), we get a palindrome (54866845).
The spelling of 52860020 in words is "fifty-two million, eight hundred sixty thousand, twenty".
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