Base | Representation |
---|---|
bin | 11011011101011… |
… | …10101001110101 |
3 | 121001110011122001 |
4 | 31232232221311 |
5 | 432432303100 |
6 | 34505135301 |
7 | 5464654423 |
oct | 1556565165 |
9 | 531404561 |
10 | 230353525 |
11 | 109035016 |
12 | 6518a531 |
13 | 3895417c |
14 | 22844113 |
15 | 15352d6a |
hex | dbaea75 |
230353525 has 12 divisors (see below), whose sum is σ = 295488900. Its totient is φ = 177927680.
The previous prime is 230353517. The next prime is 230353531. The reversal of 230353525 is 525353032.
It can be written as a sum of positive squares in 6 ways, for example, as 2283121 + 228070404 = 1511^2 + 15102^2 .
It is not a de Polignac number, because 230353525 - 23 = 230353517 is a prime.
It is a super-4 number, since 4×2303535254 (a number of 35 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230353493 and 230353502.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158140 + ... + 159589.
It is an arithmetic number, because the mean of its divisors is an integer number (24624075).
Almost surely, 2230353525 is an apocalyptic number.
230353525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
230353525 is a deficient number, since it is larger than the sum of its proper divisors (65135375).
230353525 is a wasteful number, since it uses less digits than its factorization.
230353525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317768 (or 317763 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 28.
The square root of 230353525 is about 15177.4017868672. The cubic root of 230353525 is about 613.0063229683.
The spelling of 230353525 in words is "two hundred thirty million, three hundred fifty-three thousand, five hundred twenty-five".
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