Base | Representation |
---|---|
bin | 101100010110… |
… | …1100111111001 |
3 | 1121202111121111 |
4 | 1120231213321 |
5 | 21423134140 |
6 | 2150240321 |
7 | 401445265 |
oct | 130554771 |
9 | 47674544 |
10 | 23255545 |
11 | 12144265 |
12 | 79560a1 |
13 | 4a831a1 |
14 | 31350a5 |
15 | 20957ea |
hex | 162d9f9 |
23255545 has 8 divisors (see below), whose sum is σ = 27934920. Its totient is φ = 18585600.
The previous prime is 23255543. The next prime is 23255567. The reversal of 23255545 is 54555232.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 674041 + 22581504 = 821^2 + 4752^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23255545 - 21 = 23255543 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23255543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5395 + ... + 8695.
It is an arithmetic number, because the mean of its divisors is an integer number (3491865).
Almost surely, 223255545 is an apocalyptic number.
It is an amenable number.
23255545 is a deficient number, since it is larger than the sum of its proper divisors (4679375).
23255545 is a wasteful number, since it uses less digits than its factorization.
23255545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4715.
The product of its digits is 30000, while the sum is 31.
The square root of 23255545 is about 4822.4003359323. The cubic root of 23255545 is about 285.4360617174.
The spelling of 23255545 in words is "twenty-three million, two hundred fifty-five thousand, five hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •