Base | Representation |
---|---|
bin | 110110010110… |
… | …0001111011000 |
3 | 1222121120201102 |
4 | 1230230033120 |
5 | 24243232020 |
6 | 2454410532 |
7 | 464120162 |
oct | 154541730 |
9 | 58546642 |
10 | 28492760 |
11 | 150a103a |
12 | 9660a48 |
13 | 5b97c2a |
14 | 3ad9932 |
15 | 277c475 |
hex | 1b2c3d8 |
28492760 has 16 divisors (see below), whose sum is σ = 64108800. Its totient is φ = 11397088.
The previous prime is 28492757. The next prime is 28492769. The reversal of 28492760 is 6729482.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28492769) 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, 356120 + ... + 356199.
It is an arithmetic number, because the mean of its divisors is an integer number (4006800).
Almost surely, 228492760 is an apocalyptic number.
28492760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28492760 is an abundant number, since it is smaller than the sum of its proper divisors (35616040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28492760 is a wasteful number, since it uses less digits than its factorization.
28492760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 712330 (or 712326 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 28492760 is about 5337.8609948181. The cubic root of 28492760 is about 305.4298695323.
The spelling of 28492760 in words is "twenty-eight million, four hundred ninety-two thousand, seven hundred sixty".
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