Base | Representation |
---|---|
bin | 110110001100… |
… | …1010101110101 |
3 | 1222110122112100 |
4 | 1230121111311 |
5 | 24233242344 |
6 | 2453012313 |
7 | 463345404 |
oct | 154312565 |
9 | 58418470 |
10 | 28415349 |
11 | 15048966 |
12 | 9624099 |
13 | 5b6b921 |
14 | 3ab963b |
15 | 2764569 |
hex | 1b19575 |
28415349 has 12 divisors (see below), whose sum is σ = 41142816. Its totient is φ = 18898152.
The previous prime is 28415339. The next prime is 28415351. The reversal of 28415349 is 94351482.
It is not a de Polignac number, because 28415349 - 24 = 28415333 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28415339) 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, 424 + ... + 7550.
It is an arithmetic number, because the mean of its divisors is an integer number (3428568).
Almost surely, 228415349 is an apocalyptic number.
It is an amenable number.
28415349 is a deficient number, since it is larger than the sum of its proper divisors (12727467).
28415349 is a wasteful number, since it uses less digits than its factorization.
28415349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7576 (or 7573 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 28415349 is about 5330.6049375282. The cubic root of 28415349 is about 305.1530146845.
The spelling of 28415349 in words is "twenty-eight million, four hundred fifteen thousand, three hundred forty-nine".
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