Base | Representation |
---|---|
bin | 101011111010… |
… | …1011101100001 |
3 | 1121022211001111 |
4 | 1113311131201 |
5 | 21343304010 |
6 | 2141303321 |
7 | 366466516 |
oct | 127653541 |
9 | 47284044 |
10 | 23025505 |
11 | 11aa7448 |
12 | 7864b41 |
13 | 4a02579 |
14 | 30b530d |
15 | 204c58a |
hex | 15f5761 |
23025505 has 4 divisors (see below), whose sum is σ = 27630612. Its totient is φ = 18420400.
The previous prime is 23025491. The next prime is 23025521. The reversal of 23025505 is 50552032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9541921 + 13483584 = 3089^2 + 3672^2 .
It is not a de Polignac number, because 23025505 - 27 = 23025377 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
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, 2302546 + ... + 2302555.
It is an arithmetic number, because the mean of its divisors is an integer number (6907653).
Almost surely, 223025505 is an apocalyptic number.
It is an amenable number.
23025505 is a deficient number, since it is larger than the sum of its proper divisors (4605107).
23025505 is an equidigital number, since it uses as much as digits as its factorization.
23025505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4605106.
The product of its (nonzero) digits is 1500, while the sum is 22.
The square root of 23025505 is about 4798.4898666143. The cubic root of 23025505 is about 284.4917791923.
Adding to 23025505 its reverse (50552032), we get a palindrome (73577537).
The spelling of 23025505 in words is "twenty-three million, twenty-five thousand, five hundred five".
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