Base | Representation |
---|---|
bin | 100100100000… |
… | …1111000110001 |
3 | 1100000121221222 |
4 | 1021001320301 |
5 | 14400103431 |
6 | 1522154425 |
7 | 321503054 |
oct | 111017061 |
9 | 40017858 |
10 | 19144241 |
11 | a896396 |
12 | 64b2a15 |
13 | 3c73a6c |
14 | 2784a9b |
15 | 1a3257b |
hex | 1241e31 |
19144241 has 4 divisors (see below), whose sum is σ = 19235184. Its totient is φ = 19053300.
The previous prime is 19144231. The next prime is 19144273. The reversal of 19144241 is 14244191.
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 not a de Polignac number, because 19144241 - 222 = 14949937 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 19144241.
It is not an unprimeable number, because it can be changed into a prime (19144201) 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, 45155 + ... + 45576.
It is an arithmetic number, because the mean of its divisors is an integer number (4808796).
Almost surely, 219144241 is an apocalyptic number.
It is an amenable number.
19144241 is a deficient number, since it is larger than the sum of its proper divisors (90943).
19144241 is an equidigital number, since it uses as much as digits as its factorization.
19144241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90942.
The product of its digits is 1152, while the sum is 26.
The square root of 19144241 is about 4375.4132376268. The cubic root of 19144241 is about 267.5137140318.
The spelling of 19144241 in words is "nineteen million, one hundred forty-four thousand, two hundred forty-one".
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