Base | Representation |
---|---|
bin | 1100001101100011011101 |
3 | 20000122021122 |
4 | 30031203131 |
5 | 1304414440 |
6 | 152340325 |
7 | 36132035 |
oct | 14154335 |
9 | 6018248 |
10 | 3201245 |
11 | 1897163 |
12 | 10a46a5 |
13 | 881138 |
14 | 5d48c5 |
15 | 4337b5 |
hex | 30d8dd |
3201245 has 4 divisors (see below), whose sum is σ = 3841500. Its totient is φ = 2560992.
The previous prime is 3201229. The next prime is 3201251. The reversal of 3201245 is 5421023.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5421023 = 19 ⋅285317.
It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 2229049 = 986^2 + 1493^2 .
It is a cyclic number.
It is not a de Polignac number, because 3201245 - 24 = 3201229 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320120 + ... + 320129.
It is an arithmetic number, because the mean of its divisors is an integer number (960375).
Almost surely, 23201245 is an apocalyptic number.
It is an amenable number.
3201245 is a deficient number, since it is larger than the sum of its proper divisors (640255).
3201245 is an equidigital number, since it uses as much as digits as its factorization.
3201245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 640254.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 3201245 is about 1789.2023362381. The cubic root of 3201245 is about 147.3803683811.
Adding to 3201245 its reverse (5421023), we get a palindrome (8622268).
The spelling of 3201245 in words is "three million, two hundred one thousand, two hundred forty-five".
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