Base | Representation |
---|---|
bin | 101010111011… |
… | …101111001000 |
3 | 210011210120210 |
4 | 222323233020 |
5 | 10340122403 |
6 | 1041121120 |
7 | 164443422 |
oct | 52735710 |
9 | 23153523 |
10 | 11254728 |
11 | 6397931 |
12 | 39291a0 |
13 | 2440a04 |
14 | 16cd812 |
15 | ec4b03 |
hex | abbbc8 |
11254728 has 32 divisors (see below), whose sum is σ = 29361600. Its totient is φ = 3588288.
The previous prime is 11254723. The next prime is 11254753. The reversal of 11254728 is 82745211.
It is a junction number, because it is equal to n+sod(n) for n = 11254695 and 11254704.
It is not an unprimeable number, because it can be changed into a prime (11254723) 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, 9643 + ... + 10746.
It is an arithmetic number, because the mean of its divisors is an integer number (917550).
Almost surely, 211254728 is an apocalyptic number.
It is an amenable number.
11254728 is an abundant number, since it is smaller than the sum of its proper divisors (18106872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11254728 is a wasteful number, since it uses less digits than its factorization.
11254728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20421 (or 20417 counting only the distinct ones).
The product of its digits is 4480, while the sum is 30.
The square root of 11254728 is about 3354.8067008399. The cubic root of 11254728 is about 224.1016226821.
Adding to 11254728 its reverse (82745211), we get a palindrome (93999939).
It can be divided in two parts, 112547 and 28, that added together give a triangular number (112575 = T474).
The spelling of 11254728 in words is "eleven million, two hundred fifty-four thousand, seven hundred twenty-eight".
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