Base | Representation |
---|---|
bin | 110101011100… |
… | …1100100010111 |
3 | 1221201201102020 |
4 | 1222321210113 |
5 | 24133214223 |
6 | 2440344223 |
7 | 460122615 |
oct | 152714427 |
9 | 57651366 |
10 | 28023063 |
11 | 14900162 |
12 | 9475073 |
13 | 5a621c3 |
14 | 3a166b5 |
15 | 26d81e3 |
hex | 1ab9917 |
28023063 has 8 divisors (see below), whose sum is σ = 37389168. Its totient is φ = 18669504.
The previous prime is 28023031. The next prime is 28023071. The reversal of 28023063 is 36032082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28023063 - 25 = 28023031 is a prime.
It is a super-3 number, since 3×280230633 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28023263) 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, 5395 + ... + 9227.
It is an arithmetic number, because the mean of its divisors is an integer number (4673646).
Almost surely, 228023063 is an apocalyptic number.
28023063 is a deficient number, since it is larger than the sum of its proper divisors (9366105).
28023063 is a wasteful number, since it uses less digits than its factorization.
28023063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6273.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 28023063 is about 5293.6814222240. The cubic root of 28023063 is about 303.7422467495.
The spelling of 28023063 in words is "twenty-eight million, twenty-three thousand, sixty-three".
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