Base | Representation |
---|---|
bin | 11111011000010011110 |
3 | 1221020111111 |
4 | 3323002132 |
5 | 230401004 |
6 | 34012234 |
7 | 11511553 |
oct | 3730236 |
9 | 1836444 |
10 | 1028254 |
11 | 6425a7 |
12 | 41707a |
13 | 2a0046 |
14 | 1caa2a |
15 | 154a04 |
hex | fb09e |
1028254 has 4 divisors (see below), whose sum is σ = 1542384. Its totient is φ = 514126.
The previous prime is 1028243. The next prime is 1028263. The reversal of 1028254 is 4528201.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257062 + ... + 257065.
It is an arithmetic number, because the mean of its divisors is an integer number (385596).
21028254 is an apocalyptic number.
1028254 is a deficient number, since it is larger than the sum of its proper divisors (514130).
1028254 is an equidigital number, since it uses as much as digits as its factorization.
1028254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514129.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 1028254 is about 1014.0285992022. The cubic root of 1028254 is about 100.9330667857.
The spelling of 1028254 in words is "one million, twenty-eight thousand, two hundred fifty-four".
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