Base | Representation |
---|---|
bin | 101011111100… |
… | …0101111010000 |
3 | 1121100111110122 |
4 | 1113320233100 |
5 | 21344221203 |
6 | 2141445412 |
7 | 366553613 |
oct | 127705720 |
9 | 47314418 |
10 | 23038928 |
11 | 12006540 |
12 | 7870868 |
13 | 4a08703 |
14 | 30ba17a |
15 | 2051538 |
hex | 15f8bd0 |
23038928 has 40 divisors (see below), whose sum is σ = 49342080. Its totient is φ = 10333440.
The previous prime is 23038913. The next prime is 23038933. The reversal of 23038928 is 82983032.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13076 + ... + 14732.
It is an arithmetic number, because the mean of its divisors is an integer number (1233552).
Almost surely, 223038928 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 23038928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24671040).
23038928 is an abundant number, since it is smaller than the sum of its proper divisors (26303152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23038928 is a wasteful number, since it uses less digits than its factorization.
23038928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1755 (or 1749 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 23038928 is about 4799.8883320344. Note that the first 3 decimals coincide. The cubic root of 23038928 is about 284.5470511083.
The spelling of 23038928 in words is "twenty-three million, thirty-eight thousand, nine hundred twenty-eight".
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