Base | Representation |
---|---|
bin | 101100101010… |
… | …0110001000100 |
3 | 1122001122112200 |
4 | 1121110301010 |
5 | 21443302001 |
6 | 2153514500 |
7 | 403013601 |
oct | 131246104 |
9 | 48048480 |
10 | 23415876 |
11 | 12243770 |
12 | 7a12a30 |
13 | 4b0b163 |
14 | 31776a8 |
15 | 20c8086 |
hex | 1654c44 |
23415876 has 72 divisors (see below), whose sum is σ = 66830400. Its totient is φ = 6847680.
The previous prime is 23415869. The next prime is 23415893. The reversal of 23415876 is 67851432.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 23415876.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10465 + ... + 12503.
It is an arithmetic number, because the mean of its divisors is an integer number (928200).
Almost surely, 223415876 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 23415876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33415200).
23415876 is an abundant number, since it is smaller than the sum of its proper divisors (43414524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23415876 is a wasteful number, since it uses less digits than its factorization.
23415876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2089 (or 2084 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 23415876 is about 4838.9953502767. The cubic root of 23415876 is about 286.0905218211.
Subtracting 23415876 from its reverse (67851432), we obtain a square (44435556 = 66662).
It can be divided in two parts, 234 and 15876, that added together give a triangular number (16110 = T179).
The spelling of 23415876 in words is "twenty-three million, four hundred fifteen thousand, eight hundred seventy-six".
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