Base | Representation |
---|---|
bin | 111001000001… |
… | …0001010100000 |
3 | 2002020201212112 |
4 | 1302002022200 |
5 | 30123041110 |
6 | 2544414452 |
7 | 512042264 |
oct | 162021240 |
9 | 62221775 |
10 | 29893280 |
11 | 1596829a |
12 | a017428 |
13 | 6268541 |
14 | 3d820a4 |
15 | 2957405 |
hex | 1c822a0 |
29893280 has 48 divisors (see below), whose sum is σ = 71505504. Its totient is φ = 11808000.
The previous prime is 29893277. The next prime is 29893291. The reversal of 29893280 is 8239892.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12155 + ... + 14405.
It is an arithmetic number, because the mean of its divisors is an integer number (1489698).
Almost surely, 229893280 is an apocalyptic number.
29893280 is a gapful number since it is divisible by the number (20) 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 29893280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35752752).
29893280 is an abundant number, since it is smaller than the sum of its proper divisors (41612224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29893280 is a wasteful number, since it uses less digits than its factorization.
29893280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2349 (or 2341 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 29893280 is about 5467.4747370244. The cubic root of 29893280 is about 310.3543641060.
The spelling of 29893280 in words is "twenty-nine million, eight hundred ninety-three thousand, two hundred eighty".
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