Base | Representation |
---|---|
bin | 110110001111… |
… | …111001100001 |
3 | 222202111101220 |
4 | 312033321201 |
5 | 12120032042 |
6 | 1224445253 |
7 | 231606225 |
oct | 66177141 |
9 | 28674356 |
10 | 14220897 |
11 | 8033409 |
12 | 4919829 |
13 | 2c3bb42 |
14 | 1c62785 |
15 | 13ad8ec |
hex | d8fe61 |
14220897 has 4 divisors (see below), whose sum is σ = 18961200. Its totient is φ = 9480596.
The previous prime is 14220889. The next prime is 14220919. The reversal of 14220897 is 79802241.
It is a happy number.
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: 79802241 = 3 ⋅26600747.
It is a cyclic number.
It is not a de Polignac number, because 14220897 - 23 = 14220889 is a prime.
It is a super-2 number, since 2×142208972 = 404467822969218, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (14220827) 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, 2370147 + ... + 2370152.
It is an arithmetic number, because the mean of its divisors is an integer number (4740300).
Almost surely, 214220897 is an apocalyptic number.
It is an amenable number.
14220897 is a deficient number, since it is larger than the sum of its proper divisors (4740303).
14220897 is an equidigital number, since it uses as much as digits as its factorization.
14220897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4740302.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 14220897 is about 3771.0604609314. The cubic root of 14220897 is about 242.2752202004.
The spelling of 14220897 in words is "fourteen million, two hundred twenty thousand, eight hundred ninety-seven".
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