Base | Representation |
---|---|
bin | 111001001100… |
… | …0101000100000 |
3 | 2002102102010010 |
4 | 1302120220200 |
5 | 30134012222 |
6 | 2550404520 |
7 | 512604510 |
oct | 162305040 |
9 | 62372103 |
10 | 29985312 |
11 | 15a20455 |
12 | a060740 |
13 | 629b3b6 |
14 | 3da7840 |
15 | 297480c |
hex | 1c98a20 |
29985312 has 48 divisors (see below), whose sum is σ = 89957952. Its totient is φ = 8567040.
The previous prime is 29985299. The next prime is 29985323. The reversal of 29985312 is 21358992.
It is a tau number, because it is divible by the number of its divisors (48).
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, 21639 + ... + 22982.
It is an arithmetic number, because the mean of its divisors is an integer number (1874124).
Almost surely, 229985312 is an apocalyptic number.
It is an amenable number.
29985312 is an abundant number, since it is smaller than the sum of its proper divisors (59972640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29985312 is a wasteful number, since it uses less digits than its factorization.
29985312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44641 (or 44633 counting only the distinct ones).
The product of its digits is 38880, while the sum is 39.
The square root of 29985312 is about 5475.8845860737. The cubic root of 29985312 is about 310.6725322828.
The spelling of 29985312 in words is "twenty-nine million, nine hundred eighty-five thousand, three hundred twelve".
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