Search a number
-
+
14404217 = 19972383
BaseRepresentation
bin110110111100…
…101001111001
31000002210212112
4312330221321
512141413332
61232422105
7233301542
oct66745171
930083775
1014404217
118149113
1249a7935
132ca4409
141cad4c9
1513e7db2
hexdbca79

14404217 has 4 divisors (see below), whose sum is σ = 14476800. Its totient is φ = 14331636.

The previous prime is 14404199. The next prime is 14404237. The reversal of 14404217 is 71240441.

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: 71240441 = 151471791.

It is a cyclic number.

It is not a de Polignac number, because 14404217 - 214 = 14387833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14404192 and 14404201.

It is not an unprimeable number, because it can be changed into a prime (14404237) 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, 35993 + ... + 36390.

It is an arithmetic number, because the mean of its divisors is an integer number (3619200).

Almost surely, 214404217 is an apocalyptic number.

It is an amenable number.

14404217 is a deficient number, since it is larger than the sum of its proper divisors (72583).

14404217 is an equidigital number, since it uses as much as digits as its factorization.

14404217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72582.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 14404217 is about 3795.2887900659. The cubic root of 14404217 is about 243.3118262512.

Adding to 14404217 its reverse (71240441), we get a palindrome (85644658).

The spelling of 14404217 in words is "fourteen million, four hundred four thousand, two hundred seventeen".

Divisors: 1 199 72383 14404217