Base | Representation |
---|---|
bin | 110110111100… |
… | …0000100001110 |
3 | 2000012100202110 |
4 | 1231320010032 |
5 | 24333201332 |
6 | 2505204450 |
7 | 466552521 |
oct | 155700416 |
9 | 60170673 |
10 | 28803342 |
11 | 15293417 |
12 | 9790726 |
13 | 5c763c9 |
14 | 3b7abb8 |
15 | 27de4cc |
hex | 1b7810e |
28803342 has 8 divisors (see below), whose sum is σ = 57606696. Its totient is φ = 9601112.
The previous prime is 28803331. The next prime is 28803347. The reversal of 28803342 is 24330882.
It is a sphenic number, since it is the product of 3 distinct primes.
28803342 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28803347) 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, 2400273 + ... + 2400284.
It is an arithmetic number, because the mean of its divisors is an integer number (7200837).
Almost surely, 228803342 is an apocalyptic number.
28803342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28803342 is a wasteful number, since it uses less digits than its factorization.
28803342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4800562.
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 28803342 is about 5366.8745094328. The cubic root of 28803342 is about 306.5356290087.
The spelling of 28803342 in words is "twenty-eight million, eight hundred three thousand, three hundred forty-two".
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