Base | Representation |
---|---|
bin | 110111001000… |
… | …1001101110010 |
3 | 2000101121001201 |
4 | 1232101031302 |
5 | 24400000404 |
6 | 2511321414 |
7 | 500462041 |
oct | 156211562 |
9 | 60347051 |
10 | 28906354 |
11 | 15353854 |
12 | 982026a |
13 | 5cb1269 |
14 | 3ba6558 |
15 | 280eca4 |
hex | 1b91372 |
28906354 has 8 divisors (see below), whose sum is σ = 45244800. Its totient is φ = 13824756.
The previous prime is 28906349. The next prime is 28906357. The reversal of 28906354 is 45360982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (28906357) 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, 314154 + ... + 314245.
It is an arithmetic number, because the mean of its divisors is an integer number (5655600).
Almost surely, 228906354 is an apocalyptic number.
28906354 is a deficient number, since it is larger than the sum of its proper divisors (16338446).
28906354 is a wasteful number, since it uses less digits than its factorization.
28906354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 628424.
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 28906354 is about 5376.4629636965. The cubic root of 28906354 is about 306.9006246067.
The spelling of 28906354 in words is "twenty-eight million, nine hundred six thousand, three hundred fifty-four".
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