Base | Representation |
---|---|
bin | 110111001110… |
… | …0110111010100 |
3 | 2000111000111220 |
4 | 1232130313110 |
5 | 24403012233 |
6 | 2512330340 |
7 | 501051123 |
oct | 156346724 |
9 | 60430456 |
10 | 28954068 |
11 | 15386690 |
12 | 98439b0 |
13 | 5cc9bb0 |
14 | 3bb9aba |
15 | 281deb3 |
hex | 1b9cdd4 |
28954068 has 96 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 7904640.
The previous prime is 28954067. The next prime is 28954069. The reversal of 28954068 is 86045982.
It is an interprime number because it is at equal distance from previous prime (28954067) and next prime (28954069).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28954061) 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, 80473 + ... + 80831.
It is an arithmetic number, because the mean of its divisors is an integer number (846720).
Almost surely, 228954068 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 28954068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40642560).
28954068 is an abundant number, since it is smaller than the sum of its proper divisors (52331052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28954068 is a wasteful number, since it uses less digits than its factorization.
28954068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437 (or 435 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 28954068 is about 5380.8984379934. The cubic root of 28954068 is about 307.0693926540.
The spelling of 28954068 in words is "twenty-eight million, nine hundred fifty-four thousand, sixty-eight".
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