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14018057 = 31744221
BaseRepresentation
bin110101011110…
…011000001001
3222101012011022
4311132120021
512042034212
61220242225
7230102654
oct65363011
928335138
1014018057
117a04a79
124840375
132b9a711
141c0c89b
15136d772
hexd5e609

14018057 has 4 divisors (see below), whose sum is σ = 14062596. Its totient is φ = 13973520.

The previous prime is 14018051. The next prime is 14018083. The reversal of 14018057 is 75081041.

14018057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75081041 = 710725863.

It can be written as a sum of positive squares in 2 ways, for example, as 7946761 + 6071296 = 2819^2 + 2464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14018057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14018051) 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, 21794 + ... + 22427.

It is an arithmetic number, because the mean of its divisors is an integer number (3515649).

Almost surely, 214018057 is an apocalyptic number.

It is an amenable number.

14018057 is a deficient number, since it is larger than the sum of its proper divisors (44539).

14018057 is an equidigital number, since it uses as much as digits as its factorization.

14018057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44538.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 14018057 is about 3744.0695773450. The cubic root of 14018057 is about 241.1178008027.

Adding to 14018057 its reverse (75081041), we get a palindrome (89099098).

The spelling of 14018057 in words is "fourteen million, eighteen thousand, fifty-seven".

Divisors: 1 317 44221 14018057