Base | Representation |
---|---|
bin | 110011101100… |
… | …001100001001 |
3 | 221111102120122 |
4 | 303230030021 |
5 | 11432102340 |
6 | 1202233025 |
7 | 223114244 |
oct | 63541411 |
9 | 27442518 |
10 | 13550345 |
11 | 7715636 |
12 | 4655775 |
13 | 2a65873 |
14 | 1b2a25b |
15 | 12c9db5 |
hex | cec309 |
13550345 has 8 divisors (see below), whose sum is σ = 16296000. Its totient is φ = 10816560.
The previous prime is 13550297. The next prime is 13550347. The reversal of 13550345 is 54305531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13550345 - 210 = 13549321 is a prime.
It is a super-2 number, since 2×135503452 = 367223699238050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13550347) 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 7 ways as a sum of consecutive naturals, for example, 221 + ... + 5210.
It is an arithmetic number, because the mean of its divisors is an integer number (2037000).
Almost surely, 213550345 is an apocalyptic number.
It is an amenable number.
13550345 is a deficient number, since it is larger than the sum of its proper divisors (2745655).
13550345 is an equidigital number, since it uses as much as digits as its factorization.
13550345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5935.
The product of its (nonzero) digits is 4500, while the sum is 26.
The square root of 13550345 is about 3681.0793254153. The cubic root of 13550345 is about 238.4057821162.
Adding to 13550345 its reverse (54305531), we get a palindrome (67855876).
The spelling of 13550345 in words is "thirteen million, five hundred fifty thousand, three hundred forty-five".
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