Search a number
-
+
14281829 = 26215449
BaseRepresentation
bin110110011110…
…110001100101
3222212120222122
4312132301211
512124004304
61230035325
7232251662
oct66366145
928776878
1014281829
118075171
124948b45
132c607b3
141c7aa69
1513c19be
hexd9ec65

14281829 has 4 divisors (see below), whose sum is σ = 14289900. Its totient is φ = 14273760.

The previous prime is 14281823. The next prime is 14281831. The reversal of 14281829 is 92818241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92818241 = 293200629.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 7896100 = 2527^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 14281829 - 28 = 14281573 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 (14281823) 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, 104 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (3572475).

Almost surely, 214281829 is an apocalyptic number.

It is an amenable number.

14281829 is a deficient number, since it is larger than the sum of its proper divisors (8071).

14281829 is an equidigital number, since it uses as much as digits as its factorization.

14281829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its digits is 9216, while the sum is 35.

The square root of 14281829 is about 3779.1307201525. The cubic root of 14281829 is about 242.6207511428.

The spelling of 14281829 in words is "fourteen million, two hundred eighty-one thousand, eight hundred twenty-nine".

Divisors: 1 2621 5449 14281829