Base | Representation |
---|---|
bin | 101100010100… |
… | …1011100001111 |
3 | 1121201122010001 |
4 | 1120221130033 |
5 | 21422112130 |
6 | 2150025131 |
7 | 401344324 |
oct | 130513417 |
9 | 47648101 |
10 | 23238415 |
11 | 12132402 |
12 | 79481a7 |
13 | 4a78455 |
14 | 312cb4b |
15 | 20906ca |
hex | 162970f |
23238415 has 4 divisors (see below), whose sum is σ = 27886104. Its totient is φ = 18590728.
The previous prime is 23238407. The next prime is 23238427. The reversal of 23238415 is 51483232.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23238415 - 23 = 23238407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323837 + ... + 2323846.
It is an arithmetic number, because the mean of its divisors is an integer number (6971526).
Almost surely, 223238415 is an apocalyptic number.
23238415 is a deficient number, since it is larger than the sum of its proper divisors (4647689).
23238415 is an equidigital number, since it uses as much as digits as its factorization.
23238415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4647688.
The product of its digits is 5760, while the sum is 28.
The square root of 23238415 is about 4820.6239222740. The cubic root of 23238415 is about 285.3659605757.
It can be divided in two parts, 23238 and 415, that added together give a triangular number (23653 = T217).
The spelling of 23238415 in words is "twenty-three million, two hundred thirty-eight thousand, four hundred fifteen".
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