Base | Representation |
---|---|
bin | 110011111111… |
… | …101010111101 |
3 | 221122111001001 |
4 | 303333222331 |
5 | 11442131031 |
6 | 1204050301 |
7 | 223566010 |
oct | 63775275 |
9 | 27574031 |
10 | 13630141 |
11 | 776a588 |
12 | 4693991 |
13 | 2a92c95 |
14 | 1b4b377 |
15 | 12e3861 |
hex | cffabd |
13630141 has 16 divisors (see below), whose sum is σ = 16851456. Its totient is φ = 10757376.
The previous prime is 13630139. The next prime is 13630159. The reversal of 13630141 is 14103631.
It is not a de Polignac number, because 13630141 - 21 = 13630139 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 (13630181) 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, 4375 + ... + 6811.
It is an arithmetic number, because the mean of its divisors is an integer number (1053216).
Almost surely, 213630141 is an apocalyptic number.
It is an amenable number.
13630141 is a deficient number, since it is larger than the sum of its proper divisors (3221315).
13630141 is a wasteful number, since it uses less digits than its factorization.
13630141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2508.
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 13630141 is about 3691.9020842921. The cubic root of 13630141 is about 238.8728454182.
Adding to 13630141 its reverse (14103631), we get a palindrome (27733772).
The spelling of 13630141 in words is "thirteen million, six hundred thirty thousand, one hundred forty-one".
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