Search a number
-
+
14420425 = 522331809
BaseRepresentation
bin110111000000…
…100111001001
31000010122002211
4313000213021
512142423200
61233025121
7233400025
oct67004711
930118084
1014420425
11815a308
1249b51a1
132cab8c6
141cb5385
1513ecaba
hexdc09c9

14420425 has 24 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 10665600.

The previous prime is 14420383. The next prime is 14420429. The reversal of 14420425 is 52402441.

It is a happy number.

It is not a de Polignac number, because 14420425 - 211 = 14418377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14420396 and 14420405.

It is not an unprimeable number, because it can be changed into a prime (14420429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17421 + ... + 18229.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 214420425 is an apocalyptic number.

It is an amenable number.

14420425 is a deficient number, since it is larger than the sum of its proper divisors (4864055).

14420425 is a wasteful number, since it uses less digits than its factorization.

14420425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 14420425 is about 3797.4234686166. The cubic root of 14420425 is about 243.4030523104.

Adding to 14420425 its reverse (52402441), we get a palindrome (66822866).

The spelling of 14420425 in words is "fourteen million, four hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 23 25 31 115 155 575 713 775 809 3565 4045 17825 18607 20225 25079 93035 125395 465175 576817 626975 2884085 14420425