Base | Representation |
---|---|
bin | 110110100001… |
… | …1111111101111 |
3 | 1222210112012020 |
4 | 1231003333233 |
5 | 24304340223 |
6 | 2500441223 |
7 | 465003645 |
oct | 155037757 |
9 | 58715166 |
10 | 28590063 |
11 | 15158157 |
12 | 96a9213 |
13 | 5c002c8 |
14 | 3b23195 |
15 | 279b1e3 |
hex | 1b43fef |
28590063 has 8 divisors (see below), whose sum is σ = 38145408. Its totient is φ = 19047384.
The previous prime is 28590047. The next prime is 28590101. The reversal of 28590063 is 36009582.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28590063 - 24 = 28590047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28590013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5470 + ... + 9332.
It is an arithmetic number, because the mean of its divisors is an integer number (4768176).
Almost surely, 228590063 is an apocalyptic number.
28590063 is a deficient number, since it is larger than the sum of its proper divisors (9555345).
28590063 is a wasteful number, since it uses less digits than its factorization.
28590063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6333.
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 28590063 is about 5346.9676453108. The cubic root of 28590063 is about 305.7771563068. Note that the first 3 decimals are identical.
The spelling of 28590063 in words is "twenty-eight million, five hundred ninety thousand, sixty-three".
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