Base | Representation |
---|---|
bin | 110100100010… |
… | …110101011001 |
3 | 221220210121102 |
4 | 310202311121 |
5 | 12011233134 |
6 | 1211121145 |
7 | 225035633 |
oct | 64426531 |
9 | 27823542 |
10 | 13774169 |
11 | 7858812 |
12 | 47431b5 |
13 | 2b136c6 |
14 | 1b87a53 |
15 | 132137e |
hex | d22d59 |
13774169 has 4 divisors (see below), whose sum is σ = 13819344. Its totient is φ = 13728996.
The previous prime is 13774157. The next prime is 13774177. The reversal of 13774169 is 96147731.
13774169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, and also an emirpimes, since its reverse is a distinct semiprime: 96147731 = 29 ⋅3315439.
It is a cyclic number.
It is not a de Polignac number, because 13774169 - 24 = 13774153 is a prime.
It is a super-2 number, since 2×137741692 = 379455463281122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13774109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22127 + ... + 22740.
It is an arithmetic number, because the mean of its divisors is an integer number (3454836).
Almost surely, 213774169 is an apocalyptic number.
It is an amenable number.
13774169 is a deficient number, since it is larger than the sum of its proper divisors (45175).
13774169 is an equidigital number, since it uses as much as digits as its factorization.
13774169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45174.
The product of its digits is 31752, while the sum is 38.
The square root of 13774169 is about 3711.3567600003. The cubic root of 13774169 is about 239.7112789640.
The spelling of 13774169 in words is "thirteen million, seven hundred seventy-four thousand, one hundred sixty-nine".
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