Base | Representation |
---|---|
bin | 110110010101… |
… | …1001111111111 |
3 | 1222121101011011 |
4 | 1230223033333 |
5 | 24243114303 |
6 | 2454340051 |
7 | 464102305 |
oct | 154531777 |
9 | 58541134 |
10 | 28488703 |
11 | 15098a91 |
12 | 965a627 |
13 | 5b96129 |
14 | 3ad8275 |
15 | 277b16d |
hex | 1b2b3ff |
28488703 has 2 divisors, whose sum is σ = 28488704. Its totient is φ = 28488702.
The previous prime is 28488653. The next prime is 28488709. The reversal of 28488703 is 30788482.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28488703 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28488709) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14244351 + 14244352.
It is an arithmetic number, because the mean of its divisors is an integer number (14244352).
Almost surely, 228488703 is an apocalyptic number.
28488703 is a deficient number, since it is larger than the sum of its proper divisors (1).
28488703 is an equidigital number, since it uses as much as digits as its factorization.
28488703 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 86016, while the sum is 40.
The square root of 28488703 is about 5337.4809601534. The cubic root of 28488703 is about 305.4153724250.
The spelling of 28488703 in words is "twenty-eight million, four hundred eighty-eight thousand, seven hundred three".
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