Base | Representation |
---|---|
bin | 110011110001… |
… | …000010011001 |
3 | 221112102211001 |
4 | 303301002121 |
5 | 11433221301 |
6 | 1202505001 |
7 | 223226161 |
oct | 63610231 |
9 | 27472731 |
10 | 13570201 |
11 | 7729547 |
12 | 4665161 |
13 | 2a71908 |
14 | 1b335a1 |
15 | 12d0c01 |
hex | cf1099 |
13570201 has 4 divisors (see below), whose sum is σ = 13578804. Its totient is φ = 13561600.
The previous prime is 13570187. The next prime is 13570217. The reversal of 13570201 is 10207531.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 9363600 + 4206601 = 3060^2 + 2051^2 .
It is a cyclic number.
It is not a de Polignac number, because 13570201 - 211 = 13568153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13570001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180 + ... + 5341.
It is an arithmetic number, because the mean of its divisors is an integer number (3394701).
Almost surely, 213570201 is an apocalyptic number.
It is an amenable number.
13570201 is a deficient number, since it is larger than the sum of its proper divisors (8603).
13570201 is an equidigital number, since it uses as much as digits as its factorization.
13570201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8602.
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 13570201 is about 3683.7753731736. The cubic root of 13570201 is about 238.5221745985.
Adding to 13570201 its reverse (10207531), we get a palindrome (23777732).
The spelling of 13570201 in words is "thirteen million, five hundred seventy thousand, two hundred one".
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