Base | Representation |
---|---|
bin | 110111101010… |
… | …0000011100101 |
3 | 2000220111121200 |
4 | 1233110003211 |
5 | 24432231013 |
6 | 2521233113 |
7 | 503012163 |
oct | 157240345 |
9 | 60814550 |
10 | 29180133 |
11 | 15520514 |
12 | 9932799 |
13 | 6078a68 |
14 | 3c38233 |
15 | 2865e73 |
hex | 1bd40e5 |
29180133 has 6 divisors (see below), whose sum is σ = 42149094. Its totient is φ = 19453416.
The previous prime is 29180111. The next prime is 29180153. The reversal of 29180133 is 33108192.
It can be written as a sum of positive squares in only one way, i.e., 28708164 + 471969 = 5358^2 + 687^2 .
It is not a de Polignac number, because 29180133 - 210 = 29179109 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 29180097 and 29180106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29180153) 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 5 ways as a sum of consecutive naturals, for example, 1621110 + ... + 1621127.
It is an arithmetic number, because the mean of its divisors is an integer number (7024849).
Almost surely, 229180133 is an apocalyptic number.
It is an amenable number.
29180133 is a deficient number, since it is larger than the sum of its proper divisors (12968961).
29180133 is a wasteful number, since it uses less digits than its factorization.
29180133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3242243 (or 3242240 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 29180133 is about 5401.8638450076. The cubic root of 29180133 is about 307.8664914422.
The spelling of 29180133 in words is "twenty-nine million, one hundred eighty thousand, one hundred thirty-three".
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