Search a number
-
+
14102021 = 47300043
BaseRepresentation
bin110101110010…
…111000000101
3222112110100002
4311302320011
512102231041
61222131045
7230602523
oct65627005
928473302
1014102021
117a6206a
124880a85
132bc99bb
141c31313
15138859b
hexd72e05

14102021 has 4 divisors (see below), whose sum is σ = 14402112. Its totient is φ = 13801932.

The previous prime is 14101963. The next prime is 14102051. The reversal of 14102021 is 12020141.

14102021 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 is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14102021 - 222 = 9907717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14101993 and 14102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14102051) 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, 149975 + ... + 150068.

It is an arithmetic number, because the mean of its divisors is an integer number (3600528).

Almost surely, 214102021 is an apocalyptic number.

It is an amenable number.

14102021 is a deficient number, since it is larger than the sum of its proper divisors (300091).

14102021 is an equidigital number, since it uses as much as digits as its factorization.

14102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300090.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 14102021 is about 3755.2657695561. The cubic root of 14102021 is about 241.5982508407.

Adding to 14102021 its reverse (12020141), we get a palindrome (26122162).

The spelling of 14102021 in words is "fourteen million, one hundred two thousand, twenty-one".

Divisors: 1 47 300043 14102021