Base | Representation |
---|---|
bin | 101100101110… |
… | …1101110000001 |
3 | 1122010111211210 |
4 | 1121131232001 |
5 | 22000440140 |
6 | 2154400333 |
7 | 403225524 |
oct | 131355601 |
9 | 48114753 |
10 | 23452545 |
11 | 12269276 |
12 | 7a300a9 |
13 | 4b21a5c |
14 | 3186bbb |
15 | 20d3d80 |
hex | 165db81 |
23452545 has 8 divisors (see below), whose sum is σ = 37524096. Its totient is φ = 12508016.
The previous prime is 23452531. The next prime is 23452547. The reversal of 23452545 is 54525432.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23452545 - 24 = 23452529 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (23452547) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 781737 + ... + 781766.
It is an arithmetic number, because the mean of its divisors is an integer number (4690512).
Almost surely, 223452545 is an apocalyptic number.
It is an amenable number.
23452545 is a deficient number, since it is larger than the sum of its proper divisors (14071551).
23452545 is a wasteful number, since it uses less digits than its factorization.
23452545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563511.
The product of its digits is 24000, while the sum is 30.
The square root of 23452545 is about 4842.7827743974. The cubic root of 23452545 is about 286.2397821210.
Adding to 23452545 its reverse (54525432), we get a palindrome (77977977).
The spelling of 23452545 in words is "twenty-three million, four hundred fifty-two thousand, five hundred forty-five".
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