Base | Representation |
---|---|
bin | 110110111100… |
… | …0000010000001 |
3 | 2000012100120020 |
4 | 1231320002001 |
5 | 24333200301 |
6 | 2505204053 |
7 | 466552230 |
oct | 155700201 |
9 | 60170506 |
10 | 28803201 |
11 | 152932a9 |
12 | 9790629 |
13 | 5c7631b |
14 | 3b7ab17 |
15 | 27de436 |
hex | 1b78081 |
28803201 has 8 divisors (see below), whose sum is σ = 43890624. Its totient is φ = 16458960.
The previous prime is 28803193. The next prime is 28803211. The reversal of 28803201 is 10230882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28803201 - 23 = 28803193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28803211) 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, 685770 + ... + 685811.
It is an arithmetic number, because the mean of its divisors is an integer number (5486328).
Almost surely, 228803201 is an apocalyptic number.
28803201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
28803201 is a deficient number, since it is larger than the sum of its proper divisors (15087423).
28803201 is a wasteful number, since it uses less digits than its factorization.
28803201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1371591.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 28803201 is about 5366.8613732795. The cubic root of 28803201 is about 306.5351288168.
The spelling of 28803201 in words is "twenty-eight million, eight hundred three thousand, two hundred one".
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