Search a number
-
+
23638406 = 2111074473
BaseRepresentation
bin101101000101…
…1000110000110
31122110221210112
41122023012012
522022412111
62202353022
7404631431
oct132130606
948427715
1023638406
1112385980
127abb772
134b8852c
1431d4818
15211de8b
hex168b186

23638406 has 8 divisors (see below), whose sum is σ = 38681064. Its totient is φ = 10744720.

The previous prime is 23638387. The next prime is 23638429. The reversal of 23638406 is 60483632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537215 + ... + 537258.

It is an arithmetic number, because the mean of its divisors is an integer number (4835133).

Almost surely, 223638406 is an apocalyptic number.

23638406 is a deficient number, since it is larger than the sum of its proper divisors (15042658).

23638406 is a wasteful number, since it uses less digits than its factorization.

23638406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074486.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 23638406 is about 4861.9343886976. The cubic root of 23638406 is about 286.9939417677.

The spelling of 23638406 in words is "twenty-three million, six hundred thirty-eight thousand, four hundred six".

Divisors: 1 2 11 22 1074473 2148946 11819203 23638406