Base | Representation |
---|---|
bin | 110110001000… |
… | …0100110110010 |
3 | 1222101211110012 |
4 | 1230100212302 |
5 | 24231121240 |
6 | 2452134522 |
7 | 463136162 |
oct | 154204662 |
9 | 58354405 |
10 | 28379570 |
11 | 15023a9a |
12 | 9607442 |
13 | 5b5855b |
14 | 3aaa5a2 |
15 | 2758b65 |
hex | 1b109b2 |
28379570 has 32 divisors (see below), whose sum is σ = 53982720. Its totient is φ = 10725120.
The previous prime is 28379569. The next prime is 28379573. The reversal of 28379570 is 7597382.
It is not an unprimeable number, because it can be changed into a prime (28379573) 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 15 ways as a sum of consecutive naturals, for example, 12266 + ... + 14394.
It is an arithmetic number, because the mean of its divisors is an integer number (1686960).
Almost surely, 228379570 is an apocalyptic number.
28379570 is a deficient number, since it is larger than the sum of its proper divisors (25603150).
28379570 is a wasteful number, since it uses less digits than its factorization.
28379570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2210.
The product of its (nonzero) digits is 105840, while the sum is 41.
The square root of 28379570 is about 5327.2478823498. The cubic root of 28379570 is about 305.0248837532.
The spelling of 28379570 in words is "twenty-eight million, three hundred seventy-nine thousand, five hundred seventy".
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