Search a number
-
+
16423508 = 229114507
BaseRepresentation
bin111110101001…
…101001010100
31010220101211002
4332221221110
513201023013
61344002432
7256411643
oct76515124
933811732
1016423508
1192a8252
125600418
13353056a
14227735a
151696358
hexfa9a54

16423508 has 12 divisors (see below), whose sum is σ = 28779072. Its totient is φ = 8200920.

The previous prime is 16423501. The next prime is 16423531. The reversal of 16423508 is 80532461.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 5897.

It is an arithmetic number, because the mean of its divisors is an integer number (2398256).

Almost surely, 216423508 is an apocalyptic number.

It is an amenable number.

16423508 is a deficient number, since it is larger than the sum of its proper divisors (12355564).

16423508 is a wasteful number, since it uses less digits than its factorization.

16423508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 16423508 is about 4052.5927503266. The cubic root of 16423508 is about 254.1881549631.

Adding to 16423508 its reverse (80532461), we get a palindrome (96955969).

The spelling of 16423508 in words is "sixteen million, four hundred twenty-three thousand, five hundred eight".

Divisors: 1 2 4 911 1822 3644 4507 9014 18028 4105877 8211754 16423508