Base | Representation |
---|---|
bin | 110111000000… |
… | …1101111110100 |
3 | 2000021101011010 |
4 | 1232001233310 |
5 | 24340433441 |
6 | 2510112220 |
7 | 500106240 |
oct | 156015764 |
9 | 60241133 |
10 | 28842996 |
11 | 15310196 |
12 | 97ab670 |
13 | 5c8b480 |
14 | 3b8b420 |
15 | 27eb116 |
hex | 1b81bf4 |
28842996 has 96 divisors (see below), whose sum is σ = 84383488. Its totient is φ = 7464960.
The previous prime is 28842991. The next prime is 28842997. The reversal of 28842996 is 69924882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28842991) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66396 + ... + 66828.
Almost surely, 228842996 is an apocalyptic number.
28842996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28842996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42191744).
28842996 is an abundant number, since it is smaller than the sum of its proper divisors (55540492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28842996 is a wasteful number, since it uses less digits than its factorization.
28842996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521 (or 519 counting only the distinct ones).
The product of its digits is 497664, while the sum is 48.
The square root of 28842996 is about 5370.5675677716. The cubic root of 28842996 is about 306.6762352612.
The spelling of 28842996 in words is "twenty-eight million, eight hundred forty-two thousand, nine hundred ninety-six".
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