Base | Representation |
---|---|
bin | 101100110000… |
… | …1100111111100 |
3 | 1122011022210012 |
4 | 1121201213330 |
5 | 22001443130 |
6 | 2155002352 |
7 | 403323254 |
oct | 131414774 |
9 | 48138705 |
10 | 23468540 |
11 | 1227a297 |
12 | 7a393b8 |
13 | 4b29114 |
14 | 318c964 |
15 | 20d8995 |
hex | 16619fc |
23468540 has 48 divisors (see below), whose sum is σ = 52224480. Its totient is φ = 8843520.
The previous prime is 23468539. The next prime is 23468561. The reversal of 23468540 is 4586432.
It is a junction number, because it is equal to n+sod(n) for n = 23468497 and 23468506.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24470 + ... + 25410.
It is an arithmetic number, because the mean of its divisors is an integer number (1088010).
Almost surely, 223468540 is an apocalyptic number.
23468540 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 23468540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26112240).
23468540 is an abundant number, since it is smaller than the sum of its proper divisors (28755940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23468540 is a wasteful number, since it uses less digits than its factorization.
23468540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1022 (or 1020 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
The square root of 23468540 is about 4844.4339194585. The cubic root of 23468540 is about 286.3048406589.
The spelling of 23468540 in words is "twenty-three million, four hundred sixty-eight thousand, five hundred forty".
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