Base | Representation |
---|---|
bin | 110111100010… |
… | …0001011000001 |
3 | 2000210012101001 |
4 | 1233010023001 |
5 | 24423140243 |
6 | 2520012001 |
7 | 502321411 |
oct | 157041301 |
9 | 60705331 |
10 | 29115073 |
11 | 15486649 |
12 | 9901001 |
13 | 6055270 |
14 | 3c1c641 |
15 | 2851a4d |
hex | 1bc42c1 |
29115073 has 8 divisors (see below), whose sum is σ = 31947048. Its totient is φ = 26367744.
The previous prime is 29115071. The next prime is 29115083. The reversal of 29115073 is 37051192.
It can be written as a sum of positive squares in 4 ways, for example, as 2982529 + 26132544 = 1727^2 + 5112^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29115073 - 21 = 29115071 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29115071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20440 + ... + 21817.
It is an arithmetic number, because the mean of its divisors is an integer number (3993381).
Almost surely, 229115073 is an apocalyptic number.
It is an amenable number.
29115073 is a deficient number, since it is larger than the sum of its proper divisors (2831975).
29115073 is a wasteful number, since it uses less digits than its factorization.
29115073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42323.
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 29115073 is about 5395.8384890580. The cubic root of 29115073 is about 307.6375148923.
The spelling of 29115073 in words is "twenty-nine million, one hundred fifteen thousand, seventy-three".
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