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14520137 = 110913093
BaseRepresentation
bin110111011000…
…111101001001
31000022200212212
4313120331021
512204121022
61235114505
7234263522
oct67307511
930280785
1014520137
118218215
124a42a35
1330150c8
141cdd849
15141c3e2
hexdd8f49

14520137 has 4 divisors (see below), whose sum is σ = 14534340. Its totient is φ = 14505936.

The previous prime is 14520127. The next prime is 14520167. The reversal of 14520137 is 73102541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73102541 = 329922159.

It can be written as a sum of positive squares in 2 ways, for example, as 5900041 + 8620096 = 2429^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 14520137 - 26 = 14520073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14520127) 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, 5438 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (3633585).

Almost surely, 214520137 is an apocalyptic number.

It is an amenable number.

14520137 is a deficient number, since it is larger than the sum of its proper divisors (14203).

14520137 is a wasteful number, since it uses less digits than its factorization.

14520137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 14520137 is about 3810.5297531971. The cubic root of 14520137 is about 243.9627787441.

Adding to 14520137 its reverse (73102541), we get a palindrome (87622678).

The spelling of 14520137 in words is "fourteen million, five hundred twenty thousand, one hundred thirty-seven".

Divisors: 1 1109 13093 14520137