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14420513 = 42134253
BaseRepresentation
bin110111000000…
…101000100001
31000010122020002
4313000220201
512142424023
61233025345
7233400212
oct67005041
930118202
1014420513
11815a388
1249b5255
132cab963
141cb5409
1513ecb28
hexdc0a21

14420513 has 4 divisors (see below), whose sum is σ = 14455188. Its totient is φ = 14385840.

The previous prime is 14420501. The next prime is 14420519. The reversal of 14420513 is 31502441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 13454224 = 983^2 + 3668^2 .

It is a cyclic number.

It is not a de Polignac number, because 14420513 - 28 = 14420257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14420519) 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, 16706 + ... + 17547.

It is an arithmetic number, because the mean of its divisors is an integer number (3613797).

Almost surely, 214420513 is an apocalyptic number.

It is an amenable number.

14420513 is a deficient number, since it is larger than the sum of its proper divisors (34675).

14420513 is an equidigital number, since it uses as much as digits as its factorization.

14420513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34674.

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

The square root of 14420513 is about 3797.4350554025. The cubic root of 14420513 is about 243.4035474281.

Adding to 14420513 its reverse (31502441), we get a palindrome (45922954).

The spelling of 14420513 in words is "fourteen million, four hundred twenty thousand, five hundred thirteen".

Divisors: 1 421 34253 14420513