Base | Representation |
---|---|
bin | 101100010101… |
… | …0101011101100 |
3 | 1121201220002101 |
4 | 1120222223230 |
5 | 21422243000 |
6 | 2150104444 |
7 | 401365210 |
oct | 130525354 |
9 | 47656071 |
10 | 23243500 |
11 | 12136205 |
12 | 794b124 |
13 | 4a7a867 |
14 | 3130940 |
15 | 2091e6a |
hex | 162aaec |
23243500 has 96 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 7660800.
The previous prime is 23243497. The next prime is 23243543. The reversal of 23243500 is 534232.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 101386 + ... + 101614.
It is an arithmetic number, because the mean of its divisors is an integer number (627900).
Almost surely, 223243500 is an apocalyptic number.
23243500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23243500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30139200).
23243500 is an abundant number, since it is smaller than the sum of its proper divisors (37034900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23243500 is a wasteful number, since it uses less digits than its factorization.
23243500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284 (or 272 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 19.
The square root of 23243500 is about 4821.1513147795. The cubic root of 23243500 is about 285.3867735282.
Adding to 23243500 its reverse (534232), we get a palindrome (23777732).
The spelling of 23243500 in words is "twenty-three million, two hundred forty-three thousand, five hundred".
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