Base | Representation |
---|---|
bin | 110011111111… |
… | …111001010101 |
3 | 221122112022010 |
4 | 303333321111 |
5 | 11442143221 |
6 | 1204054433 |
7 | 223601463 |
oct | 63777125 |
9 | 27575263 |
10 | 13631061 |
11 | 7770244 |
12 | 4694419 |
13 | 2a93522 |
14 | 1b4b833 |
15 | 12e3c76 |
hex | cffe55 |
13631061 has 8 divisors (see below), whose sum is σ = 18355104. Its totient is φ = 8997200.
The previous prime is 13631053. The next prime is 13631069. The reversal of 13631061 is 16013631.
It is an interprime number because it is at equal distance from previous prime (13631053) and next prime (13631069).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13631061 - 23 = 13631053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13631069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22191 + ... + 22796.
It is an arithmetic number, because the mean of its divisors is an integer number (2294388).
Almost surely, 213631061 is an apocalyptic number.
It is an amenable number.
13631061 is a deficient number, since it is larger than the sum of its proper divisors (4724043).
13631061 is a wasteful number, since it uses less digits than its factorization.
13631061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45091.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 13631061 is about 3692.0266792102. The cubic root of 13631061 is about 238.8782197346.
Adding to 13631061 its reverse (16013631), we get a palindrome (29644692).
The spelling of 13631061 in words is "thirteen million, six hundred thirty-one thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •