Base | Representation |
---|---|
bin | 110110111011… |
… | …0010111110110 |
3 | 2000012000020120 |
4 | 1231312113312 |
5 | 24332441111 |
6 | 2505112410 |
7 | 466523352 |
oct | 155662766 |
9 | 60160216 |
10 | 28796406 |
11 | 15289191 |
12 | 9788706 |
13 | 5c731c2 |
14 | 3b78462 |
15 | 27dc406 |
hex | 1b765f6 |
28796406 has 8 divisors (see below), whose sum is σ = 57592824. Its totient is φ = 9598800.
The previous prime is 28796401. The next prime is 28796447. The reversal of 28796406 is 60469782.
It is a sphenic number, since it is the product of 3 distinct primes.
28796406 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28796401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399695 + ... + 2399706.
It is an arithmetic number, because the mean of its divisors is an integer number (7199103).
Almost surely, 228796406 is an apocalyptic number.
28796406 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.
28796406 is a wasteful number, since it uses less digits than its factorization.
28796406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4799406.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 28796406 is about 5366.2282843726. The cubic root of 28796406 is about 306.5110218895.
The spelling of 28796406 in words is "twenty-eight million, seven hundred ninety-six thousand, four hundred six".
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