Base | Representation |
---|---|
bin | 110110001111… |
… | …1101101110000 |
3 | 1222111222100021 |
4 | 1230133231300 |
5 | 24240111311 |
6 | 2453333224 |
7 | 463514461 |
oct | 154375560 |
9 | 58458307 |
10 | 28441456 |
11 | 1506653a |
12 | 9637214 |
13 | 5b7a784 |
14 | 3ac4d68 |
15 | 276c171 |
hex | 1b1fb70 |
28441456 has 40 divisors (see below), whose sum is σ = 57250800. Its totient is φ = 13676544.
The previous prime is 28441453. The next prime is 28441471. The reversal of 28441456 is 65414482.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28441453) 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, 63120 + ... + 63568.
It is an arithmetic number, because the mean of its divisors is an integer number (1431270).
Almost surely, 228441456 is an apocalyptic number.
It is an amenable number.
28441456 is an abundant number, since it is smaller than the sum of its proper divisors (28809344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28441456 is a wasteful number, since it uses less digits than its factorization.
28441456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601 (or 595 counting only the distinct ones).
The product of its digits is 30720, while the sum is 34.
The square root of 28441456 is about 5333.0531593075. The cubic root of 28441456 is about 305.2464406140.
The spelling of 28441456 in words is "twenty-eight million, four hundred forty-one thousand, four hundred fifty-six".
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