Base | Representation |
---|---|
bin | 11001011010111… |
… | …01110101110101 |
3 | 112212020222120010 |
4 | 30231131311311 |
5 | 414042322201 |
6 | 33054330433 |
7 | 5166361263 |
oct | 1455356565 |
9 | 485228503 |
10 | 213245301 |
11 | aa40a395 |
12 | 5b4b9a19 |
13 | 35244069 |
14 | 2046d433 |
15 | 13ac3bd6 |
hex | cb5dd75 |
213245301 has 4 divisors (see below), whose sum is σ = 284327072. Its totient is φ = 142163532.
The previous prime is 213245269. The next prime is 213245309. The reversal of 213245301 is 103542312.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 213245301 - 25 = 213245269 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 (213245309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35540881 + ... + 35540886.
It is an arithmetic number, because the mean of its divisors is an integer number (71081768).
Almost surely, 2213245301 is an apocalyptic number.
It is an amenable number.
213245301 is a deficient number, since it is larger than the sum of its proper divisors (71081771).
213245301 is an equidigital number, since it uses as much as digits as its factorization.
213245301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71081770.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 213245301 is about 14602.9209749283. The cubic root of 213245301 is about 597.4384322923.
Adding to 213245301 its reverse (103542312), we get a palindrome (316787613).
The spelling of 213245301 in words is "two hundred thirteen million, two hundred forty-five thousand, three hundred one".
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