Base | Representation |
---|---|
bin | 110110000001… |
… | …1010010110011 |
3 | 1222022001122200 |
4 | 1230003102303 |
5 | 24222400133 |
6 | 2451034243 |
7 | 462521205 |
oct | 154032263 |
9 | 58261580 |
10 | 28325043 |
11 | 14a9702a |
12 | 959b983 |
13 | 5b397a6 |
14 | 3a94775 |
15 | 2747913 |
hex | 1b034b3 |
28325043 has 12 divisors (see below), whose sum is σ = 43320888. Its totient is φ = 17772480.
The previous prime is 28325027. The next prime is 28325053. The reversal of 28325043 is 34052382.
It is not a de Polignac number, because 28325043 - 24 = 28325027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28324998 and 28325016.
It is not an unprimeable number, because it can be changed into a prime (28325053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92413 + ... + 92718.
It is an arithmetic number, because the mean of its divisors is an integer number (3610074).
Almost surely, 228325043 is an apocalyptic number.
28325043 is a deficient number, since it is larger than the sum of its proper divisors (14995845).
28325043 is a wasteful number, since it uses less digits than its factorization.
28325043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185154 (or 185151 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 28325043 is about 5322.1276760333. The cubic root of 28325043 is about 304.8294056301.
It can be divided in two parts, 2832 and 5043, that added together give a triangular number (7875 = T125).
The spelling of 28325043 in words is "twenty-eight million, three hundred twenty-five thousand, forty-three".
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