Search a number
-
+
14120437 = 18717547
BaseRepresentation
bin110101110111…
…010111110101
3222120101121011
4311313113311
512103323222
61222352221
7231010312
oct65672765
928511534
1014120437
117a74991
12488b671
132c051b6
141c37d09
15138dc77
hexd775f5

14120437 has 4 divisors (see below), whose sum is σ = 14129856. Its totient is φ = 14111020.

The previous prime is 14120399. The next prime is 14120461. The reversal of 14120437 is 73402141.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14120437 - 215 = 14087669 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 (14120497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (3532464).

Almost surely, 214120437 is an apocalyptic number.

It is an amenable number.

14120437 is a deficient number, since it is larger than the sum of its proper divisors (9419).

14120437 is an equidigital number, since it uses as much as digits as its factorization.

14120437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 14120437 is about 3757.7169930691. The cubic root of 14120437 is about 241.7033737874.

Adding to 14120437 its reverse (73402141), we get a palindrome (87522578).

The spelling of 14120437 in words is "fourteen million, one hundred twenty thousand, four hundred thirty-seven".

Divisors: 1 1871 7547 14120437