Base | Representation |
---|---|
bin | 110110101100… |
… | …0000001010011 |
3 | 1222221200201000 |
4 | 1231120001103 |
5 | 24320001313 |
6 | 2502313043 |
7 | 465465036 |
oct | 155300123 |
9 | 58850630 |
10 | 28672083 |
11 | 15203840 |
12 | 9728783 |
13 | 5c2b73b |
14 | 3b4501d |
15 | 27b5673 |
hex | 1b58053 |
28672083 has 32 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 16459200.
The previous prime is 28672073. The next prime is 28672093. The reversal of 28672083 is 38027682.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (28672073) and next prime (28672093).
It is not a de Polignac number, because 28672083 - 24 = 28672067 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28672073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3103 + ... + 8183.
It is an arithmetic number, because the mean of its divisors is an integer number (1524600).
Almost surely, 228672083 is an apocalyptic number.
28672083 is a deficient number, since it is larger than the sum of its proper divisors (20115117).
28672083 is a wasteful number, since it uses less digits than its factorization.
28672083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5120 (or 5114 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 28672083 is about 5354.6319201230. The cubic root of 28672083 is about 306.0692845805.
It can be divided in two parts, 2867 and 2083, that added together give a triangular number (4950 = T99).
The spelling of 28672083 in words is "twenty-eight million, six hundred seventy-two thousand, eighty-three".
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