Base | Representation |
---|---|
bin | 110111010110… |
… | …0101110000100 |
3 | 2000121022121020 |
4 | 1232230232010 |
5 | 24412102022 |
6 | 2513551140 |
7 | 501441351 |
oct | 156545604 |
9 | 60538536 |
10 | 29019012 |
11 | 15420460 |
12 | 98754b0 |
13 | 6020619 |
14 | 3bd5628 |
15 | 283335c |
hex | 1bacb84 |
29019012 has 48 divisors (see below), whose sum is σ = 74317824. Its totient is φ = 8740000.
The previous prime is 29018993. The next prime is 29019019. The reversal of 29019012 is 21091092.
It is a super-2 number, since 2×290190122 = 1684206114912288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29019019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24637 + ... + 25787.
It is an arithmetic number, because the mean of its divisors is an integer number (1548288).
Almost surely, 229019012 is an apocalyptic number.
29019012 is a gapful number since it is divisible by the number (22) 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 29019012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37158912).
29019012 is an abundant number, since it is smaller than the sum of its proper divisors (45298812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29019012 is a wasteful number, since it uses less digits than its factorization.
29019012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1360 (or 1358 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 29019012 is about 5386.9297378006. The cubic root of 29019012 is about 307.2988068533.
The spelling of 29019012 in words is "twenty-nine million, nineteen thousand, twelve".
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