Base | Representation |
---|---|
bin | 110111010111… |
… | …0110111100000 |
3 | 2000121202200000 |
4 | 1232232313200 |
5 | 24412342213 |
6 | 2514100000 |
7 | 501506115 |
oct | 156566740 |
9 | 60552600 |
10 | 29027808 |
11 | 15427027 |
12 | 987a600 |
13 | 6024624 |
14 | 3bd890c |
15 | 2835c73 |
hex | 1baede0 |
29027808 has 72 divisors (see below), whose sum is σ = 85628088. Its totient is φ = 9673344.
The previous prime is 29027783. The next prime is 29027813. The reversal of 29027808 is 80872092.
It is a tau number, because it is divible by the number of its divisors (72).
It is a super-2 number, since 2×290278082 = 1685227274569728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5910 + ... + 9642.
It is an arithmetic number, because the mean of its divisors is an integer number (1189279).
Almost surely, 229027808 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 29027808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42814044).
29027808 is an abundant number, since it is smaller than the sum of its proper divisors (56600280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29027808 is an equidigital number, since it uses as much as digits as its factorization.
29027808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3758 (or 3738 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 29027808 is about 5387.7460964674. The cubic root of 29027808 is about 307.3298523307.
The spelling of 29027808 in words is "twenty-nine million, twenty-seven thousand, eight hundred eight".
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