Base | Representation |
---|---|
bin | 11010110100101… |
… | …10100111100101 |
3 | 120200101210201002 |
4 | 31122112213211 |
5 | 430100342242 |
6 | 34154443045 |
7 | 5401400144 |
oct | 1532264745 |
9 | 520353632 |
10 | 225012197 |
11 | 106016aa3 |
12 | 63433485 |
13 | 37803c17 |
14 | 21c5375b |
15 | 14b4a432 |
hex | d6969e5 |
225012197 has 16 divisors (see below), whose sum is σ = 240125952. Its totient is φ = 210394800.
The previous prime is 225012181. The next prime is 225012199. The reversal of 225012197 is 791210522.
It is not a de Polignac number, because 225012197 - 24 = 225012181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225012199) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232208 + ... + 233174.
It is an arithmetic number, because the mean of its divisors is an integer number (15007872).
Almost surely, 2225012197 is an apocalyptic number.
It is an amenable number.
225012197 is a deficient number, since it is larger than the sum of its proper divisors (15113755).
225012197 is a wasteful number, since it uses less digits than its factorization.
225012197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1208.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 225012197 is about 15000.4065611569. The cubic root of 225012197 is about 608.2311896725.
The spelling of 225012197 in words is "two hundred twenty-five million, twelve thousand, one hundred ninety-seven".
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