Base | Representation |
---|---|
bin | 110110101100… |
… | …0011111110100 |
3 | 1222221210101100 |
4 | 1231120133310 |
5 | 24320032121 |
6 | 2502330100 |
7 | 465503526 |
oct | 155303764 |
9 | 58853340 |
10 | 28674036 |
11 | 15205256 |
12 | 9729930 |
13 | 5c2c5b1 |
14 | 3b45a16 |
15 | 27b6026 |
hex | 1b587f4 |
28674036 has 36 divisors (see below), whose sum is σ = 76746852. Its totient is φ = 8995584.
The previous prime is 28674017. The next prime is 28674043. The reversal of 28674036 is 63047682.
It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 12320100 = 4044^2 + 3510^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22815 + ... + 24038.
It is an arithmetic number, because the mean of its divisors is an integer number (2131857).
Almost surely, 228674036 is an apocalyptic number.
It is an amenable number.
28674036 is an abundant number, since it is smaller than the sum of its proper divisors (48072816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28674036 is a wasteful number, since it uses less digits than its factorization.
28674036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46880 (or 46875 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 28674036 is about 5354.8142824938. The cubic root of 28674036 is about 306.0762337296.
It can be divided in two parts, 2867 and 4036, that added together give a triangular number (6903 = T117).
The spelling of 28674036 in words is "twenty-eight million, six hundred seventy-four thousand, thirty-six".
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