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14520113 = 28151673
BaseRepresentation
bin110111011000…
…111100110001
31000022200211222
4313120330301
512204120423
61235114425
7234263456
oct67307461
930280758
1014520113
1182181a3
124a42a15
1330150aa
141cdd82d
15141c3c8
hexdd8f31

14520113 has 4 divisors (see below), whose sum is σ = 14572068. Its totient is φ = 14468160.

The previous prime is 14520089. The next prime is 14520127. The reversal of 14520113 is 31102541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31102541 = 202915329.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 1760929 = 3572^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 14520113 - 212 = 14516017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14520091 and 14520100.

It is not an unprimeable number, because it can be changed into a prime (14520413) 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, 25556 + ... + 26117.

It is an arithmetic number, because the mean of its divisors is an integer number (3643017).

Almost surely, 214520113 is an apocalyptic number.

It is an amenable number.

14520113 is a deficient number, since it is larger than the sum of its proper divisors (51955).

14520113 is an equidigital number, since it uses as much as digits as its factorization.

14520113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51954.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 14520113 is about 3810.5266040273. The cubic root of 14520113 is about 243.9626443305.

Adding to 14520113 its reverse (31102541), we get a palindrome (45622654).

The spelling of 14520113 in words is "fourteen million, five hundred twenty thousand, one hundred thirteen".

Divisors: 1 281 51673 14520113