Base | Representation |
---|---|
bin | 110110110001… |
… | …1000100011101 |
3 | 2000000222210020 |
4 | 1231203010131 |
5 | 24322423331 |
6 | 2503302353 |
7 | 466044012 |
oct | 155430435 |
9 | 60028706 |
10 | 28717341 |
11 | 15234844 |
12 | 974a9b9 |
13 | 5c46213 |
14 | 3b57709 |
15 | 27c3c96 |
hex | 1b6311d |
28717341 has 16 divisors (see below), whose sum is σ = 40574400. Its totient is φ = 18016128.
The previous prime is 28717333. The next prime is 28717349. The reversal of 28717341 is 14371782.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (28717333) and next prime (28717349).
It is not a de Polignac number, because 28717341 - 23 = 28717333 is a prime.
It is a super-2 number, since 2×287173412 = 1649371348220562, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28717349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7345 + ... + 10553.
It is an arithmetic number, because the mean of its divisors is an integer number (2535900).
Almost surely, 228717341 is an apocalyptic number.
It is an amenable number.
28717341 is a deficient number, since it is larger than the sum of its proper divisors (11857059).
28717341 is a wasteful number, since it uses less digits than its factorization.
28717341 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3388.
The product of its digits is 9408, while the sum is 33.
The square root of 28717341 is about 5358.8563145507. The cubic root of 28717341 is about 306.2302402356.
The spelling of 28717341 in words is "twenty-eight million, seven hundred seventeen thousand, three hundred forty-one".
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