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14427425 = 52577097
BaseRepresentation
bin110111000010…
…010100100001
31000010222201002
4313002110201
512143134200
61233121345
7233426315
oct67022441
930128632
1014427425
1181645a1
1249b9255
132cb1b4c
141cb7b45
1513eebd5
hexdc2521

14427425 has 6 divisors (see below), whose sum is σ = 17890038. Its totient is φ = 11541920.

The previous prime is 14427421. The next prime is 14427443. The reversal of 14427425 is 52472441.

It can be written as a sum of positive squares in 3 ways, for example, as 2289169 + 12138256 = 1513^2 + 3484^2 .

It is not a de Polignac number, because 14427425 - 22 = 14427421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14427421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288524 + ... + 288573.

It is an arithmetic number, because the mean of its divisors is an integer number (2981673).

Almost surely, 214427425 is an apocalyptic number.

It is an amenable number.

14427425 is a deficient number, since it is larger than the sum of its proper divisors (3462613).

14427425 is an equidigital number, since it uses as much as digits as its factorization.

14427425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577107 (or 577102 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 14427425 is about 3798.3450343538. The cubic root of 14427425 is about 243.4424303858.

Adding to 14427425 its reverse (52472441), we get a palindrome (66899866).

The spelling of 14427425 in words is "fourteen million, four hundred twenty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 577097 2885485 14427425