Base | Representation |
---|---|
bin | 110110001101… |
… | …0010000000011 |
3 | 1222110211122100 |
4 | 1230122100003 |
5 | 24233402300 |
6 | 2453041443 |
7 | 463362306 |
oct | 154322003 |
9 | 58424570 |
10 | 28419075 |
11 | 15050743 |
12 | 9626283 |
13 | 5b70529 |
14 | 3abab3d |
15 | 2765700 |
hex | 1b1a403 |
28419075 has 18 divisors (see below), whose sum is σ = 50902124. Its totient is φ = 15156720.
The previous prime is 28419073. The next prime is 28419091. The reversal of 28419075 is 57091482.
It is not a de Polignac number, because 28419075 - 21 = 28419073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28419073) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62929 + ... + 63378.
Almost surely, 228419075 is an apocalyptic number.
28419075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28419075 is a deficient number, since it is larger than the sum of its proper divisors (22483049).
28419075 is a wasteful number, since it uses less digits than its factorization.
28419075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126323 (or 126315 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 28419075 is about 5330.9544173628. The cubic root of 28419075 is about 305.1663519650.
The spelling of 28419075 in words is "twenty-eight million, four hundred nineteen thousand, seventy-five".
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