Base | Representation |
---|---|
bin | 110011111111… |
… | …111100001001 |
3 | 221122112112210 |
4 | 303333330021 |
5 | 11442144431 |
6 | 1204055333 |
7 | 223602141 |
oct | 63777411 |
9 | 27575483 |
10 | 13631241 |
11 | 7770398 |
12 | 4694549 |
13 | 2a93630 |
14 | 1b4b921 |
15 | 12e3d46 |
hex | cfff09 |
13631241 has 8 divisors (see below), whose sum is σ = 19573120. Its totient is φ = 8388432.
The previous prime is 13631221. The next prime is 13631257. The reversal of 13631241 is 14213631.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13631241 - 25 = 13631209 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13631221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174721 + ... + 174798.
It is an arithmetic number, because the mean of its divisors is an integer number (2446640).
Almost surely, 213631241 is an apocalyptic number.
It is an amenable number.
13631241 is a deficient number, since it is larger than the sum of its proper divisors (5941879).
13631241 is a wasteful number, since it uses less digits than its factorization.
13631241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349535.
The product of its digits is 432, while the sum is 21.
The square root of 13631241 is about 3692.0510559850. The cubic root of 13631241 is about 238.8792712030.
Adding to 13631241 its reverse (14213631), we get a palindrome (27844872).
The spelling of 13631241 in words is "thirteen million, six hundred thirty-one thousand, two hundred forty-one".
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