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14221523 is a prime number
BaseRepresentation
bin110110010000…
…000011010011
3222202112021002
4312100003103
512120042043
61224452215
7231611111
oct66200323
928675232
1014221523
118033928
12491a06b
132c3c204
141c62ab1
1513adbb8
hexd900d3

14221523 has 2 divisors, whose sum is σ = 14221524. Its totient is φ = 14221522.

The previous prime is 14221517. The next prime is 14221561. The reversal of 14221523 is 32512241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14221523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14221495 and 14221504.

It is not a weakly prime, because it can be changed into another prime (14221573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110761 + 7110762.

It is an arithmetic number, because the mean of its divisors is an integer number (7110762).

Almost surely, 214221523 is an apocalyptic number.

14221523 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221523 is an equidigital number, since it uses as much as digits as its factorization.

14221523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 14221523 is about 3771.1434605435. The cubic root of 14221523 is about 242.2787751112.

Adding to 14221523 its reverse (32512241), we get a palindrome (46733764).

The spelling of 14221523 in words is "fourteen million, two hundred twenty-one thousand, five hundred twenty-three".