Base | Representation |
---|---|
bin | 110110101001… |
… | …1010110110111 |
3 | 1222220201111121 |
4 | 1231103112313 |
5 | 24313343413 |
6 | 2502044411 |
7 | 465355252 |
oct | 155232667 |
9 | 58821447 |
10 | 28652983 |
11 | 151a0457 |
12 | 9719707 |
13 | 5c22b38 |
14 | 3b3c099 |
15 | 27aeb8d |
hex | 1b535b7 |
28652983 has 4 divisors (see below), whose sum is σ = 28706488. Its totient is φ = 28599480.
The previous prime is 28652977. The next prime is 28652989. The reversal of 28652983 is 38925682.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (28652977) and next prime (28652989).
It is a cyclic number.
It is not a de Polignac number, because 28652983 - 25 = 28652951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28652989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25941 + ... + 27022.
It is an arithmetic number, because the mean of its divisors is an integer number (7176622).
Almost surely, 228652983 is an apocalyptic number.
28652983 is a deficient number, since it is larger than the sum of its proper divisors (53505).
28652983 is an equidigital number, since it uses as much as digits as its factorization.
28652983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53504.
The product of its digits is 207360, while the sum is 43.
The square root of 28652983 is about 5352.8481203935. The cubic root of 28652983 is about 306.0013064720.
The spelling of 28652983 in words is "twenty-eight million, six hundred fifty-two thousand, nine hundred eighty-three".
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