Base | Representation |
---|---|
bin | 110110010101… |
… | …0110101000110 |
3 | 1222121021210102 |
4 | 1230222311012 |
5 | 24243040412 |
6 | 2454324102 |
7 | 464064266 |
oct | 154526506 |
9 | 58537712 |
10 | 28486982 |
11 | 15097767 |
12 | 9659632 |
13 | 5b95404 |
14 | 3ad77a6 |
15 | 277a8c2 |
hex | 1b2ad46 |
28486982 has 8 divisors (see below), whose sum is σ = 43639776. Its totient is φ = 13940392.
The previous prime is 28486979. The next prime is 28486987. The reversal of 28486982 is 28968482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28486987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151433 + ... + 151620.
It is an arithmetic number, because the mean of its divisors is an integer number (5454972).
Almost surely, 228486982 is an apocalyptic number.
28486982 is a deficient number, since it is larger than the sum of its proper divisors (15152794).
28486982 is a wasteful number, since it uses less digits than its factorization.
28486982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303102.
The product of its digits is 442368, while the sum is 47.
The square root of 28486982 is about 5337.3197393448. The cubic root of 28486982 is about 305.4092222627.
The spelling of 28486982 in words is "twenty-eight million, four hundred eighty-six thousand, nine hundred eighty-two".
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