Base | Representation |
---|---|
bin | 11011011100010… |
… | …01010011001000 |
3 | 121001011101202012 |
4 | 31232021103020 |
5 | 432412404040 |
6 | 34501555052 |
7 | 5463446354 |
oct | 1556112310 |
9 | 531141665 |
10 | 230200520 |
11 | 108a40070 |
12 | 65115a88 |
13 | 388cc634 |
14 | 22804464 |
15 | 15322865 |
hex | db894c8 |
230200520 has 64 divisors (see below), whose sum is σ = 566792640. Its totient is φ = 83449600.
The previous prime is 230200511. The next prime is 230200559. The reversal of 230200520 is 25002032.
It is a junction number, because it is equal to n+sod(n) for n = 230200495 and 230200504.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194330 + ... + 195510.
It is an arithmetic number, because the mean of its divisors is an integer number (8856135).
Almost surely, 2230200520 is an apocalyptic number.
230200520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230200520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283396320).
230200520 is an abundant number, since it is smaller than the sum of its proper divisors (336592120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230200520 is a wasteful number, since it uses less digits than its factorization.
230200520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1646 (or 1642 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 14.
The square root of 230200520 is about 15172.3603964578. The cubic root of 230200520 is about 612.8705695918.
Adding to 230200520 its reverse (25002032), we get a palindrome (255202552).
The spelling of 230200520 in words is "two hundred thirty million, two hundred thousand, five hundred twenty".
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