Search a number
-
+
16234429 = 25164679
BaseRepresentation
bin111101111011…
…011110111101
31010112210110011
4331323132331
513124000204
61335543221
7254663461
oct75733675
933483404
1016234429
119189192
12552ab11
133495493
1422284a1
15165a304
hexf7b7bd

16234429 has 4 divisors (see below), whose sum is σ = 16299360. Its totient is φ = 16169500.

The previous prime is 16234423. The next prime is 16234447. The reversal of 16234429 is 92443261.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 92443261 = 199464539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16234429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16234429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16234423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32089 + ... + 32590.

It is an arithmetic number, because the mean of its divisors is an integer number (4074840).

Almost surely, 216234429 is an apocalyptic number.

It is an amenable number.

16234429 is a deficient number, since it is larger than the sum of its proper divisors (64931).

16234429 is an equidigital number, since it uses as much as digits as its factorization.

16234429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64930.

The product of its digits is 10368, while the sum is 31.

The square root of 16234429 is about 4029.1970664141. The cubic root of 16234429 is about 253.2089230234.

The spelling of 16234429 in words is "sixteen million, two hundred thirty-four thousand, four hundred twenty-nine".

Divisors: 1 251 64679 16234429