Base | Representation |
---|---|
bin | 110101011101… |
… | …1111010100100 |
3 | 1221202012121021 |
4 | 1222323322210 |
5 | 24134021201 |
6 | 2440500524 |
7 | 460162630 |
oct | 152737244 |
9 | 57665537 |
10 | 28032676 |
11 | 14907401 |
12 | 947a744 |
13 | 5a666a9 |
14 | 3a19dc0 |
15 | 26daea1 |
hex | 1abbea4 |
28032676 has 96 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 10378368.
The previous prime is 28032673. The next prime is 28032679. The reversal of 28032676 is 67623082.
28032676 = T1 + T2 + ... + T551.
28032676 is a nontrivial binomial coefficient, being equal to C(553, 3).
It is an interprime number because it is at equal distance from previous prime (28032673) and next prime (28032679).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28032673) by changing a digit.
It is the 551-st tetrahedral number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354805 + ... + 354883.
It is an arithmetic number, because the mean of its divisors is an integer number (672000).
Almost surely, 228032676 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28032676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32256000).
28032676 is an abundant number, since it is smaller than the sum of its proper divisors (36479324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28032676 is a wasteful number, since it uses less digits than its factorization.
28032676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 34.
The square root of 28032676 is about 5294.5893136295. The cubic root of 28032676 is about 303.7769745784.
The spelling of 28032676 in words is "twenty-eight million, thirty-two thousand, six hundred seventy-six".
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