Base | Representation |
---|---|
bin | 110111101000… |
… | …0101110010001 |
3 | 2000212210220001 |
4 | 1233100232101 |
5 | 24431311411 |
6 | 2521050001 |
7 | 502624321 |
oct | 157205621 |
9 | 60783801 |
10 | 29166481 |
11 | 15511233 |
12 | 9926901 |
13 | 6072796 |
14 | 3c33281 |
15 | 2861dc1 |
hex | 1bd0b91 |
29166481 has 4 divisors (see below), whose sum is σ = 29178292. Its totient is φ = 29154672.
The previous prime is 29166469. The next prime is 29166491. The reversal of 29166481 is 18466192.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 18662400 + 10504081 = 4320^2 + 3241^2 .
It is a cyclic number.
It is not a de Polignac number, because 29166481 - 213 = 29158289 is a prime.
It is a super-2 number, since 2×291664812 = 1701367227846722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 29166481.
It is not an unprimeable number, because it can be changed into a prime (29166491) 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 3 ways as a sum of consecutive naturals, for example, 630 + ... + 7663.
It is an arithmetic number, because the mean of its divisors is an integer number (7294573).
Almost surely, 229166481 is an apocalyptic number.
It is an amenable number.
29166481 is a deficient number, since it is larger than the sum of its proper divisors (11811).
29166481 is an equidigital number, since it uses as much as digits as its factorization.
29166481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11810.
The product of its digits is 20736, while the sum is 37.
The square root of 29166481 is about 5400.6000592527. The cubic root of 29166481 is about 307.8184719104.
The spelling of 29166481 in words is "twenty-nine million, one hundred sixty-six thousand, four hundred eighty-one".
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