Base | Representation |
---|---|
bin | 110111100101… |
… | …1011010100110 |
3 | 2000211201001220 |
4 | 1233023122212 |
5 | 24430112432 |
6 | 2520401210 |
7 | 502504044 |
oct | 157133246 |
9 | 60751056 |
10 | 29144742 |
11 | 154a6970 |
12 | 9916206 |
13 | 6065913 |
14 | 3c29394 |
15 | 285a72c |
hex | 1bcb6a6 |
29144742 has 16 divisors (see below), whose sum is σ = 63588672. Its totient is φ = 8831720.
The previous prime is 29144729. The next prime is 29144779. The reversal of 29144742 is 24744192.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
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, 220728 + ... + 220859.
It is an arithmetic number, because the mean of its divisors is an integer number (3974292).
Almost surely, 229144742 is an apocalyptic number.
29144742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
29144742 is an abundant number, since it is smaller than the sum of its proper divisors (34443930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29144742 is a wasteful number, since it uses less digits than its factorization.
29144742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 441603.
The product of its digits is 16128, while the sum is 33.
The square root of 29144742 is about 5398.5870373645. The cubic root of 29144742 is about 307.7419762351.
The spelling of 29144742 in words is "twenty-nine million, one hundred forty-four thousand, seven hundred forty-two".
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