Base | Representation |
---|---|
bin | 101100110010… |
… | …0110001100001 |
3 | 1122011222111000 |
4 | 1121210301201 |
5 | 22002401231 |
6 | 2155142213 |
7 | 403406004 |
oct | 131446141 |
9 | 48158430 |
10 | 23481441 |
11 | 12288a55 |
12 | 7a44969 |
13 | 4b31c59 |
14 | 319353b |
15 | 20dc6e6 |
hex | 1664c61 |
23481441 has 8 divisors (see below), whose sum is σ = 34787360. Its totient is φ = 15654276.
The previous prime is 23481439. The next prime is 23481457. The reversal of 23481441 is 14418432.
It is not a de Polignac number, because 23481441 - 21 = 23481439 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 869683 = 23481441 / (2 + 3 + 4 + 8 + 1 + 4 + 4 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23481461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434815 + ... + 434868.
It is an arithmetic number, because the mean of its divisors is an integer number (4348420).
Almost surely, 223481441 is an apocalyptic number.
It is an amenable number.
23481441 is a deficient number, since it is larger than the sum of its proper divisors (11305919).
23481441 is an equidigital number, since it uses as much as digits as its factorization.
23481441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 869692 (or 869686 counting only the distinct ones).
The product of its digits is 3072, while the sum is 27.
The square root of 23481441 is about 4845.7652646409. The cubic root of 23481441 is about 286.3572930362.
Adding to 23481441 its reverse (14418432), we get a palindrome (37899873).
The spelling of 23481441 in words is "twenty-three million, four hundred eighty-one thousand, four hundred forty-one".
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