Base | Representation |
---|---|
bin | 110111001011… |
… | …0000110000001 |
3 | 2000102121110211 |
4 | 1232112012001 |
5 | 24401120322 |
6 | 2511554121 |
7 | 500604226 |
oct | 156260601 |
9 | 60377424 |
10 | 28926337 |
11 | 15367870 |
12 | 982b941 |
13 | 5cba39b |
14 | 3bad94d |
15 | 2815b77 |
hex | 1b96181 |
28926337 has 4 divisors (see below), whose sum is σ = 31556016. Its totient is φ = 26296660.
The previous prime is 28926307. The next prime is 28926347. The reversal of 28926337 is 73362982.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 28926337 - 215 = 28893569 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28926337.
It is not an unprimeable number, because it can be changed into a prime (28926307) 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 3 ways as a sum of consecutive naturals, for example, 1314823 + ... + 1314844.
It is an arithmetic number, because the mean of its divisors is an integer number (7889004).
Almost surely, 228926337 is an apocalyptic number.
It is an amenable number.
28926337 is a deficient number, since it is larger than the sum of its proper divisors (2629679).
28926337 is a wasteful number, since it uses less digits than its factorization.
28926337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2629678.
The product of its digits is 108864, while the sum is 40.
The square root of 28926337 is about 5378.3210205416. The cubic root of 28926337 is about 306.9713285832.
It can be divided in two parts, 2892 and 6337, that added together give a palindrome (9229).
The spelling of 28926337 in words is "twenty-eight million, nine hundred twenty-six thousand, three hundred thirty-seven".
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