Base | Representation |
---|---|
bin | 10010010111111… |
… | …000011011010101 |
3 | 210111000201221201 |
4 | 102113320123111 |
5 | 1112403002300 |
6 | 50330512501 |
7 | 10432040665 |
oct | 2227703325 |
9 | 714021851 |
10 | 308250325 |
11 | 148aaa039 |
12 | 87295731 |
13 | 4bb29156 |
14 | 2cd201a5 |
15 | 1c0dd66a |
hex | 125f86d5 |
308250325 has 12 divisors (see below), whose sum is σ = 382492260. Its totient is φ = 246431360.
The previous prime is 308250323. The next prime is 308250361. The reversal of 308250325 is 523052803.
It can be written as a sum of positive squares in 6 ways, for example, as 7193124 + 301057201 = 2682^2 + 17351^2 .
It is not a de Polignac number, because 308250325 - 21 = 308250323 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 308250293 and 308250302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308250323) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43641 + ... + 50209.
It is an arithmetic number, because the mean of its divisors is an integer number (31874355).
Almost surely, 2308250325 is an apocalyptic number.
308250325 is the 9385-th nonagonal number.
It is an amenable number.
308250325 is a deficient number, since it is larger than the sum of its proper divisors (74241935).
308250325 is a wasteful number, since it uses less digits than its factorization.
308250325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8456 (or 8451 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
The square root of 308250325 is about 17557.0591216183. The cubic root of 308250325 is about 675.5142491803.
The spelling of 308250325 in words is "three hundred eight million, two hundred fifty thousand, three hundred twenty-five".
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