Base | Representation |
---|---|
bin | 110111011010… |
… | …0110111011101 |
3 | 2000200000101010 |
4 | 1232310313131 |
5 | 24414134011 |
6 | 2514405433 |
7 | 501640551 |
oct | 156646735 |
9 | 60600333 |
10 | 29052381 |
11 | 15443536 |
12 | 9890879 |
13 | 6032877 |
14 | 3c03861 |
15 | 283d1a6 |
hex | 1bb4ddd |
29052381 has 8 divisors (see below), whose sum is σ = 40420800. Its totient is φ = 18526112.
The previous prime is 29052377. The next prime is 29052431. The reversal of 29052381 is 18325092.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29052381 - 22 = 29052377 is a prime.
It is a super-2 number, since 2×290523812 = 1688081683538322, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29052281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210456 + ... + 210593.
It is an arithmetic number, because the mean of its divisors is an integer number (5052600).
Almost surely, 229052381 is an apocalyptic number.
It is an amenable number.
29052381 is a deficient number, since it is larger than the sum of its proper divisors (11368419).
29052381 is a wasteful number, since it uses less digits than its factorization.
29052381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421075.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 29052381 is about 5390.0260667273. The cubic root of 29052381 is about 307.4165495011.
The spelling of 29052381 in words is "twenty-nine million, fifty-two thousand, three hundred eighty-one".
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