Base | Representation |
---|---|
bin | 110111001110… |
… | …0110011000000 |
3 | 2000111000010200 |
4 | 1232130303000 |
5 | 24403010132 |
6 | 2512325200 |
7 | 501050250 |
oct | 156346300 |
9 | 60430120 |
10 | 28953792 |
11 | 1538645a |
12 | 9843800 |
13 | 5cc9a2a |
14 | 3bb9960 |
15 | 281dd7c |
hex | 1b9ccc0 |
28953792 has 168 divisors, whose sum is σ = 97633536. Its totient is φ = 8031744.
The previous prime is 28953791. The next prime is 28953809. The reversal of 28953792 is 29735982.
28953792 is a `hidden beast` number, since 28 + 9 + 537 + 92 = 666.
It is a tau number, because it is divible by the number of its divisors (168).
It is not an unprimeable number, because it can be changed into a prime (28953791) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173293 + ... + 173459.
It is an arithmetic number, because the mean of its divisors is an integer number (581152).
Almost surely, 228953792 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 28953792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48816768).
28953792 is an abundant number, since it is smaller than the sum of its proper divisors (68679744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28953792 is a wasteful number, since it uses less digits than its factorization.
28953792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235 (or 222 counting only the distinct ones).
The product of its digits is 272160, while the sum is 45.
The square root of 28953792 is about 5380.8727916575. The cubic root of 28953792 is about 307.0684169543.
The spelling of 28953792 in words is "twenty-eight million, nine hundred fifty-three thousand, seven hundred ninety-two".
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