Base | Representation |
---|---|
bin | 111000111000… |
… | …0010010010110 |
3 | 2002010000102110 |
4 | 1301300102112 |
5 | 30113220204 |
6 | 2543051450 |
7 | 511315635 |
oct | 161602226 |
9 | 62100373 |
10 | 29820054 |
11 | 15918280 |
12 | 9ba0b86 |
13 | 6241104 |
14 | 3d6351c |
15 | 2940889 |
hex | 1c70496 |
29820054 has 32 divisors (see below), whose sum is σ = 65577600. Its totient is φ = 8964800.
The previous prime is 29820013. The next prime is 29820059. The reversal of 29820054 is 45002892.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29820059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6922 + ... + 10370.
It is an arithmetic number, because the mean of its divisors is an integer number (2049300).
Almost surely, 229820054 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29820054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32788800).
29820054 is an abundant number, since it is smaller than the sum of its proper divisors (35757546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29820054 is a wasteful number, since it uses less digits than its factorization.
29820054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3596.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 29820054 is about 5460.7741209466. The cubic root of 29820054 is about 310.1007442249.
The spelling of 29820054 in words is "twenty-nine million, eight hundred twenty thousand, fifty-four".
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