Base | Representation |
---|---|
bin | 110110011100… |
… | …0000001010101 |
3 | 1222201000220120 |
4 | 1230320001111 |
5 | 24301303023 |
6 | 2455422153 |
7 | 464410644 |
oct | 154700125 |
9 | 58630816 |
10 | 28541013 |
11 | 15124316 |
12 | 9684959 |
13 | 5bb3b97 |
14 | 3b0d35b |
15 | 278b8e3 |
hex | 1b38055 |
28541013 has 8 divisors (see below), whose sum is σ = 38268000. Its totient is φ = 18920688.
The previous prime is 28541003. The next prime is 28541039. The reversal of 28541013 is 31014582.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28541013 - 210 = 28539989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28541003) 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 7 ways as a sum of consecutive naturals, for example, 26038 + ... + 27111.
It is an arithmetic number, because the mean of its divisors is an integer number (4783500).
Almost surely, 228541013 is an apocalyptic number.
It is an amenable number.
28541013 is a deficient number, since it is larger than the sum of its proper divisors (9726987).
28541013 is a wasteful number, since it uses less digits than its factorization.
28541013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53331.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 28541013 is about 5342.3789644689. The cubic root of 28541013 is about 305.6021892803.
Adding to 28541013 its reverse (31014582), we get a palindrome (59555595).
The spelling of 28541013 in words is "twenty-eight million, five hundred forty-one thousand, thirteen".
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