Base | Representation |
---|---|
bin | 101000000100… |
… | …110011101111 |
3 | 201202201202221 |
4 | 220010303233 |
5 | 10142133310 |
6 | 1013100211 |
7 | 155203102 |
oct | 50046357 |
9 | 21681687 |
10 | 10505455 |
11 | 5a259a4 |
12 | 3627667 |
13 | 223a95c |
14 | 1576739 |
15 | dc7ada |
hex | a04cef |
10505455 has 4 divisors (see below), whose sum is σ = 12606552. Its totient is φ = 8404360.
The previous prime is 10505449. The next prime is 10505477. The reversal of 10505455 is 55450501.
10505455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55450501 = 59 ⋅939839.
It is not a de Polignac number, because 10505455 - 215 = 10472687 is a prime.
It is a super-2 number, since 2×105054552 = 220729169514050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent 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, 1050541 + ... + 1050550.
It is an arithmetic number, because the mean of its divisors is an integer number (3151638).
Almost surely, 210505455 is an apocalyptic number.
10505455 is a deficient number, since it is larger than the sum of its proper divisors (2101097).
10505455 is an equidigital number, since it uses as much as digits as its factorization.
10505455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2101096.
The product of its (nonzero) digits is 2500, while the sum is 25.
The square root of 10505455 is about 3241.2119646823. The cubic root of 10505455 is about 219.0138715038.
Adding to 10505455 its reverse (55450501), we get a palindrome (65955956).
The spelling of 10505455 in words is "ten million, five hundred five thousand, four hundred fifty-five".
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