Base | Representation |
---|---|
bin | 101101011101… |
… | …1111001001000 |
3 | 1122212002222021 |
4 | 1122323321020 |
5 | 22100311110 |
6 | 2210534224 |
7 | 406423234 |
oct | 132737110 |
9 | 48762867 |
10 | 23838280 |
11 | 12502064 |
12 | 7b97374 |
13 | 4c284bb |
14 | 32475c4 |
15 | 215d2da |
hex | 16bbe48 |
23838280 has 16 divisors (see below), whose sum is σ = 53636220. Its totient is φ = 9535296.
The previous prime is 23838277. The next prime is 23838299. The reversal of 23838280 is 8283832.
It can be written as a sum of positive squares in 2 ways, for example, as 23833924 + 4356 = 4882^2 + 66^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297939 + ... + 298018.
Almost surely, 223838280 is an apocalyptic number.
23838280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23838280 is an abundant number, since it is smaller than the sum of its proper divisors (29797940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23838280 is a wasteful number, since it uses less digits than its factorization.
23838280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 595968 (or 595964 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 23838280 is about 4882.4461082535. The cubic root of 23838280 is about 287.8005627980.
The spelling of 23838280 in words is "twenty-three million, eight hundred thirty-eight thousand, two hundred eighty".
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