Base | Representation |
---|---|
bin | 1100011001101… |
… | …1110000110110 |
3 | 10121212210121010 |
4 | 3012123300312 |
5 | 101304040410 |
6 | 5054533050 |
7 | 1201101435 |
oct | 306336066 |
9 | 117783533 |
10 | 52018230 |
11 | 273aa080 |
12 | 15507186 |
13 | aa13c24 |
14 | 6ca111c |
15 | 4877c20 |
hex | 319bc36 |
52018230 has 64 divisors (see below), whose sum is σ = 136919808. Its totient is φ = 12543360.
The previous prime is 52018229. The next prime is 52018243. The reversal of 52018230 is 3281025.
It is a junction number, because it is equal to n+sod(n) for n = 52018197 and 52018206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93112 + ... + 93668.
It is an arithmetic number, because the mean of its divisors is an integer number (2139372).
Almost surely, 252018230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52018230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68459904).
52018230 is an abundant number, since it is smaller than the sum of its proper divisors (84901578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52018230 is a wasteful number, since it uses less digits than its factorization.
52018230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 52018230 is about 7212.3664632352. The cubic root of 52018230 is about 373.2947283281.
Adding to 52018230 its reverse (3281025), we get a palindrome (55299255).
It can be divided in two parts, 5201 and 8230, that added together give a palindrome (13431).
The spelling of 52018230 in words is "fifty-two million, eighteen thousand, two hundred thirty".
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