Search a number
-
+
14053021 = 18177641
BaseRepresentation
bin110101100110…
…111010011101
3222102222010021
4311212322131
512044144041
61221112141
7230306623
oct65467235
928388107
1014053021
117a29274
124858651
132bb05c8
141c1b513
151378cd1
hexd66e9d

14053021 has 4 divisors (see below), whose sum is σ = 14130844. Its totient is φ = 13975200.

The previous prime is 14053009. The next prime is 14053031. The reversal of 14053021 is 12035041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12035041 = 24234967.

It can be written as a sum of positive squares in 2 ways, for example, as 436921 + 13616100 = 661^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 14053021 - 211 = 14050973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14052986 and 14053004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14053031) 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, 38640 + ... + 39001.

It is an arithmetic number, because the mean of its divisors is an integer number (3532711).

Almost surely, 214053021 is an apocalyptic number.

It is an amenable number.

14053021 is a deficient number, since it is larger than the sum of its proper divisors (77823).

14053021 is an equidigital number, since it uses as much as digits as its factorization.

14053021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77822.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 14053021 is about 3748.7359202803. The cubic root of 14053021 is about 241.3181006346.

Adding to 14053021 its reverse (12035041), we get a palindrome (26088062).

The spelling of 14053021 in words is "fourteen million, fifty-three thousand, twenty-one".

Divisors: 1 181 77641 14053021