Base | Representation |
---|---|
bin | 110111000001… |
… | …1101101010000 |
3 | 2000021210011110 |
4 | 1232003231100 |
5 | 24341213044 |
6 | 2510213320 |
7 | 500141526 |
oct | 156035520 |
9 | 60253143 |
10 | 28851024 |
11 | 15316224 |
12 | 97b4240 |
13 | 5c92017 |
14 | 3b90316 |
15 | 27ed6b9 |
hex | 1b83b50 |
28851024 has 40 divisors (see below), whose sum is σ = 74727360. Its totient is φ = 9591808.
The previous prime is 28851013. The next prime is 28851029. The reversal of 28851024 is 42015882.
It is a super-3 number, since 3×288510243 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28850982 and 28851000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28851029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30592 + ... + 31520.
It is an arithmetic number, because the mean of its divisors is an integer number (1868184).
Almost surely, 228851024 is an apocalyptic number.
28851024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28851024 is an abundant number, since it is smaller than the sum of its proper divisors (45876336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28851024 is a wasteful number, since it uses less digits than its factorization.
28851024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1587 (or 1581 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 28851024 is about 5371.3149228099. The cubic root of 28851024 is about 306.7046854776.
The spelling of 28851024 in words is "twenty-eight million, eight hundred fifty-one thousand, twenty-four".
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