Base | Representation |
---|---|
bin | 110011111111… |
… | …101110000111 |
3 | 221122111022112 |
4 | 303333232013 |
5 | 11442132333 |
6 | 1204051235 |
7 | 223566416 |
oct | 63775607 |
9 | 27574275 |
10 | 13630343 |
11 | 776a751 |
12 | 4693b1b |
13 | 2a930bc |
14 | 1b4b47d |
15 | 12e3948 |
hex | cffb87 |
13630343 has 8 divisors (see below), whose sum is σ = 13945008. Its totient is φ = 13319424.
The previous prime is 13630307. The next prime is 13630363. The reversal of 13630343 is 34303631.
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 13630343 - 214 = 13613959 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 (13630363) 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, 7205 + ... + 8897.
It is an arithmetic number, because the mean of its divisors is an integer number (1743126).
Almost surely, 213630343 is an apocalyptic number.
13630343 is a deficient number, since it is larger than the sum of its proper divisors (314665).
13630343 is an equidigital number, since it uses as much as digits as its factorization.
13630343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1873.
The product of its (nonzero) digits is 1944, while the sum is 23.
The square root of 13630343 is about 3691.9294413626. The cubic root of 13630343 is about 238.8740254519.
Adding to 13630343 its reverse (34303631), we get a palindrome (47933974).
The spelling of 13630343 in words is "thirteen million, six hundred thirty thousand, three hundred forty-three".
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