Base | Representation |
---|---|
bin | 110111110110… |
… | …1000110000000 |
3 | 2001002201022000 |
4 | 1233231012000 |
5 | 24444021223 |
6 | 2523344000 |
7 | 503620161 |
oct | 157550600 |
9 | 61081260 |
10 | 29282688 |
11 | 15590576 |
12 | 9982000 |
13 | 60b3646 |
14 | 3c63768 |
15 | 2886543 |
hex | 1bed180 |
29282688 has 128 divisors (see below), whose sum is σ = 89148000. Its totient is φ = 9455616.
The previous prime is 29282647. The next prime is 29282689. The reversal of 29282688 is 88628292.
It is a tau number, because it is divible by the number of its divisors (128).
It is a nude number because it is divisible by every one of its digits.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29282689) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127758 + ... + 127986.
Almost surely, 229282688 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 29282688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44574000).
29282688 is an abundant number, since it is smaller than the sum of its proper divisors (59865312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29282688 is a wasteful number, since it uses less digits than its factorization.
29282688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289 (or 271 counting only the distinct ones).
The product of its digits is 221184, while the sum is 45.
The square root of 29282688 is about 5411.3480760343. The cubic root of 29282688 is about 308.2267403315.
The spelling of 29282688 in words is "twenty-nine million, two hundred eighty-two thousand, six hundred eighty-eight".
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