Base | Representation |
---|---|
bin | 110101011110… |
… | …0111110111000 |
3 | 1221202102121012 |
4 | 1222330332320 |
5 | 24134141143 |
6 | 2440533052 |
7 | 460211444 |
oct | 152747670 |
9 | 57672535 |
10 | 28037048 |
11 | 1490a716 |
12 | 9481188 |
13 | 5a68690 |
14 | 3a1b824 |
15 | 26dc418 |
hex | 1abcfb8 |
28037048 has 32 divisors (see below), whose sum is σ = 57425760. Its totient is φ = 12754560.
The previous prime is 28037041. The next prime is 28037057. The reversal of 28037048 is 84073082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28037041) 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, 5486 + ... + 9282.
It is an arithmetic number, because the mean of its divisors is an integer number (1794555).
Almost surely, 228037048 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 28037048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28712880).
28037048 is an abundant number, since it is smaller than the sum of its proper divisors (29388712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28037048 is a wasteful number, since it uses less digits than its factorization.
28037048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3887 (or 3883 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 28037048 is about 5295.0021718598. The cubic root of 28037048 is about 303.7927661959.
The spelling of 28037048 in words is "twenty-eight million, thirty-seven thousand, forty-eight".
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