Base | Representation |
---|---|
bin | 110101111001… |
… | …1111101101000 |
3 | 1222011212111221 |
4 | 1223303331220 |
5 | 24213342443 |
6 | 2445431424 |
7 | 462140140 |
oct | 153637550 |
9 | 58155457 |
10 | 28262248 |
11 | 14a53933 |
12 | 956b574 |
13 | 5b17031 |
14 | 3a79920 |
15 | 2733eed |
hex | 1af3f68 |
28262248 has 16 divisors (see below), whose sum is σ = 60562080. Its totient is φ = 12112368.
The previous prime is 28262237. The next prime is 28262249. The reversal of 28262248 is 84226282.
It is not an unprimeable number, because it can be changed into a prime (28262249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252286 + ... + 252397.
It is an arithmetic number, because the mean of its divisors is an integer number (3785130).
Almost surely, 228262248 is an apocalyptic number.
28262248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
28262248 is an abundant number, since it is smaller than the sum of its proper divisors (32299832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28262248 is a wasteful number, since it uses less digits than its factorization.
28262248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 504696 (or 504692 counting only the distinct ones).
The product of its digits is 24576, while the sum is 34.
The square root of 28262248 is about 5316.2249764283. The cubic root of 28262248 is about 304.6039758415.
The spelling of 28262248 in words is "twenty-eight million, two hundred sixty-two thousand, two hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •