Base | Representation |
---|---|
bin | 110111010011… |
… | …0110101110110 |
3 | 2000120002120110 |
4 | 1232212311312 |
5 | 24410314214 |
6 | 2513243450 |
7 | 501311223 |
oct | 156466566 |
9 | 60502513 |
10 | 28994934 |
11 | 15404361 |
12 | 9863586 |
13 | 6012687 |
14 | 3bca94a |
15 | 282b159 |
hex | 1ba6d76 |
28994934 has 8 divisors (see below), whose sum is σ = 57989880. Its totient is φ = 9664976.
The previous prime is 28994923. The next prime is 28994963. The reversal of 28994934 is 43949982.
It is a sphenic number, since it is the product of 3 distinct primes.
28994934 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416239 + ... + 2416250.
It is an arithmetic number, because the mean of its divisors is an integer number (7248735).
Almost surely, 228994934 is an apocalyptic number.
28994934 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.
28994934 is a wasteful number, since it uses less digits than its factorization.
28994934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4832494.
The product of its digits is 559872, while the sum is 48.
The square root of 28994934 is about 5384.6944202991. The cubic root of 28994934 is about 307.2137914612.
The spelling of 28994934 in words is "twenty-eight million, nine hundred ninety-four thousand, nine hundred thirty-four".
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