Base | Representation |
---|---|
bin | 101100011001… |
… | …1101010111011 |
3 | 1121210202120220 |
4 | 1120303222323 |
5 | 21424432230 |
6 | 2150551123 |
7 | 401610432 |
oct | 130635273 |
9 | 47722526 |
10 | 23280315 |
11 | 12160933 |
12 | 79684a3 |
13 | 4a91546 |
14 | 3140119 |
15 | 209cd10 |
hex | 1633abb |
23280315 has 16 divisors (see below), whose sum is σ = 37382688. Its totient is φ = 12371456.
The previous prime is 23280307. The next prime is 23280317. The reversal of 23280315 is 51308232.
It is a cyclic number.
It is not a de Polignac number, because 23280315 - 23 = 23280307 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23280317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747 + ... + 7043.
It is an arithmetic number, because the mean of its divisors is an integer number (2336418).
Almost surely, 223280315 is an apocalyptic number.
23280315 is a deficient number, since it is larger than the sum of its proper divisors (14102373).
23280315 is a wasteful number, since it uses less digits than its factorization.
23280315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5598.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 23280315 is about 4824.9678755407. The cubic root of 23280315 is about 285.5373671982.
Adding to 23280315 its reverse (51308232), we get a palindrome (74588547).
The spelling of 23280315 in words is "twenty-three million, two hundred eighty thousand, three hundred fifteen".
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