Base | Representation |
---|---|
bin | 110011101100… |
… | …001000111101 |
3 | 221111102022002 |
4 | 303230020331 |
5 | 11432101031 |
6 | 1202232045 |
7 | 223113533 |
oct | 63541075 |
9 | 27442262 |
10 | 13550141 |
11 | 7715470 |
12 | 4655625 |
13 | 2a65747 |
14 | 1b2a153 |
15 | 12c9ccb |
hex | cec23d |
13550141 has 4 divisors (see below), whose sum is σ = 14781984. Its totient is φ = 12318300.
The previous prime is 13550129. The next prime is 13550143. The reversal of 13550141 is 14105531.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13550141 - 26 = 13550077 is a prime.
It is a super-2 number, since 2×135501412 = 367212642239762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13550143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615905 + ... + 615926.
It is an arithmetic number, because the mean of its divisors is an integer number (3695496).
Almost surely, 213550141 is an apocalyptic number.
13550141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13550141 is a deficient number, since it is larger than the sum of its proper divisors (1231843).
13550141 is a wasteful number, since it uses less digits than its factorization.
13550141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1231842.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 13550141 is about 3681.0516160467. The cubic root of 13550141 is about 238.4045857131.
Adding to 13550141 its reverse (14105531), we get a palindrome (27655672).
The spelling of 13550141 in words is "thirteen million, five hundred fifty thousand, one hundred forty-one".
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