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14115205 = 513217157
BaseRepresentation
bin110101110110…
…000110000101
3222120010102101
4311312012011
512103141310
61222312101
7230656126
oct65660605
928503371
1014115205
117a70a65
124888631
132c029c0
141c3604d
15138c43a
hexd76185

14115205 has 8 divisors (see below), whose sum is σ = 18241272. Its totient is φ = 10423488.

The previous prime is 14115203. The next prime is 14115239. The reversal of 14115205 is 50251141.

14115205 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3448449 + 10666756 = 1857^2 + 3266^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14115205 - 21 = 14115203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14115203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108514 + ... + 108643.

It is an arithmetic number, because the mean of its divisors is an integer number (2280159).

Almost surely, 214115205 is an apocalyptic number.

It is an amenable number.

14115205 is a deficient number, since it is larger than the sum of its proper divisors (4126067).

14115205 is a wasteful number, since it uses less digits than its factorization.

14115205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217175.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 14115205 is about 3757.0207611883. The cubic root of 14115205 is about 241.6735175756.

Adding to 14115205 its reverse (50251141), we get a palindrome (64366346).

The spelling of 14115205 in words is "fourteen million, one hundred fifteen thousand, two hundred five".

Divisors: 1 5 13 65 217157 1085785 2823041 14115205