Base | Representation |
---|---|
bin | 111000111101… |
… | …1110010000110 |
3 | 2002012102000110 |
4 | 1301323302012 |
5 | 30121222032 |
6 | 2544053450 |
7 | 511603134 |
oct | 161736206 |
9 | 62172013 |
10 | 29867142 |
11 | 1594a698 |
12 | a004286 |
13 | 6259686 |
14 | 3d76754 |
15 | 294e7cc |
hex | 1c7bc86 |
29867142 has 16 divisors (see below), whose sum is σ = 60102720. Its totient is φ = 9894312.
The previous prime is 29867141. The next prime is 29867153. The reversal of 29867142 is 24176892.
It is a self number, because there is not a number n which added to its sum of digits gives 29867142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29867141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14292 + ... + 16247.
It is an arithmetic number, because the mean of its divisors is an integer number (3756420).
Almost surely, 229867142 is an apocalyptic number.
29867142 is an abundant number, since it is smaller than the sum of its proper divisors (30235578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29867142 is a wasteful number, since it uses less digits than its factorization.
29867142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30707.
The product of its digits is 48384, while the sum is 39.
The square root of 29867142 is about 5465.0838968858. The cubic root of 29867142 is about 310.2638821443.
The spelling of 29867142 in words is "twenty-nine million, eight hundred sixty-seven thousand, one hundred forty-two".
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