Base | Representation |
---|---|
bin | 110101111110… |
… | …1100000001011 |
3 | 1222020212010011 |
4 | 1223331200023 |
5 | 24221120243 |
6 | 2450332351 |
7 | 462362101 |
oct | 153754013 |
9 | 58225104 |
10 | 28301323 |
11 | 14a80226 |
12 | 958a0b7 |
13 | 5b2ba5b |
14 | 3a89c71 |
15 | 274089d |
hex | 1afd80b |
28301323 has 8 divisors (see below), whose sum is σ = 28701792. Its totient is φ = 27903936.
The previous prime is 28301309. The next prime is 28301359. The reversal of 28301323 is 32310382.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28301323 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28301294 and 28301303.
It is not an unprimeable number, because it can be changed into a prime (28301363) 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, 22261 + ... + 23497.
It is an arithmetic number, because the mean of its divisors is an integer number (3587724).
Almost surely, 228301323 is an apocalyptic number.
28301323 is a deficient number, since it is larger than the sum of its proper divisors (400469).
28301323 is a wasteful number, since it uses less digits than its factorization.
28301323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1541.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 28301323 is about 5319.8987772325. The cubic root of 28301323 is about 304.7442916342.
The spelling of 28301323 in words is "twenty-eight million, three hundred one thousand, three hundred twenty-three".
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