Base | Representation |
---|---|
bin | 101101100011… |
… | …0010111000000 |
3 | 1122221021210010 |
4 | 1123012113000 |
5 | 22103144102 |
6 | 2211504520 |
7 | 406662231 |
oct | 133062700 |
9 | 48837703 |
10 | 23881152 |
11 | 12531299 |
12 | 7bb8140 |
13 | 4c41b79 |
14 | 3259088 |
15 | 216ad6c |
hex | 16c65c0 |
23881152 has 56 divisors (see below), whose sum is σ = 65379600. Its totient is φ = 7684096.
The previous prime is 23881139. The next prime is 23881159. The reversal of 23881152 is 25118832.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23881159) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3424 + ... + 7712.
Almost surely, 223881152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23881152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32689800).
23881152 is an abundant number, since it is smaller than the sum of its proper divisors (41498448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23881152 is a wasteful number, since it uses less digits than its factorization.
23881152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4333 (or 4323 counting only the distinct ones).
The product of its digits is 3840, while the sum is 30.
The square root of 23881152 is about 4886.8345582800. The cubic root of 23881152 is about 287.9729912944.
Adding to 23881152 its reverse (25118832), we get a palindrome (48999984).
The spelling of 23881152 in words is "twenty-three million, eight hundred eighty-one thousand, one hundred fifty-two".
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