Search a number
-
+
23915936 = 251167943
BaseRepresentation
bin101101100111…
…0110110100000
31200000001111102
41123032312200
522110302221
62212333532
7410165522
oct133166640
950001442
1023915936
1112555440
1280142a8
134c54955
143267a12
15217630b
hex16ceda0

23915936 has 24 divisors (see below), whose sum is σ = 51365664. Its totient is φ = 10870720.

The previous prime is 23915921. The next prime is 23915939. The reversal of 23915936 is 63951932.

It is a self number, because there is not a number n which added to its sum of digits gives 23915936.

It is not an unprimeable number, because it can be changed into a prime (23915939) 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, 33620 + ... + 34323.

It is an arithmetic number, because the mean of its divisors is an integer number (2140236).

Almost surely, 223915936 is an apocalyptic number.

It is an amenable number.

23915936 is an abundant number, since it is smaller than the sum of its proper divisors (27449728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23915936 is a wasteful number, since it uses less digits than its factorization.

23915936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67964 (or 67956 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 23915936 is about 4890.3922133097. The cubic root of 23915936 is about 288.1127387840.

The spelling of 23915936 in words is "twenty-three million, nine hundred fifteen thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 67943 135886 271772 543544 747373 1087088 1494746 2174176 2989492 5978984 11957968 23915936