Base | Representation |
---|---|
bin | 110110110101… |
… | …0001100000010 |
3 | 2000002110210010 |
4 | 1231222030002 |
5 | 24324341443 |
6 | 2504045350 |
7 | 466225014 |
oct | 155521402 |
9 | 60073703 |
10 | 28746498 |
11 | 15254740 |
12 | 9763856 |
13 | 5c56581 |
14 | 3b641b4 |
15 | 27cc733 |
hex | 1b6a302 |
28746498 has 16 divisors (see below), whose sum is σ = 62719776. Its totient is φ = 8711040.
The previous prime is 28746493. The next prime is 28746499. The reversal of 28746498 is 89464782.
It is a super-2 number, since 2×287464982 = 1652722294528008, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28746493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217711 + ... + 217842.
It is an arithmetic number, because the mean of its divisors is an integer number (3919986).
Almost surely, 228746498 is an apocalyptic number.
28746498 is an abundant number, since it is smaller than the sum of its proper divisors (33973278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28746498 is a wasteful number, since it uses less digits than its factorization.
28746498 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435569.
The product of its digits is 774144, while the sum is 48.
The square root of 28746498 is about 5361.5760742528. The cubic root of 28746498 is about 306.3338447093. Note that the first 3 decimals are identical.
The spelling of 28746498 in words is "twenty-eight million, seven hundred forty-six thousand, four hundred ninety-eight".
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