Base | Representation |
---|---|
bin | 111000110111… |
… | …1000100111001 |
3 | 2002002202121212 |
4 | 1301233010321 |
5 | 30113040342 |
6 | 2543012505 |
7 | 511265324 |
oct | 161570471 |
9 | 62082555 |
10 | 29815097 |
11 | 15914584 |
12 | 9b9a135 |
13 | 623ba90 |
14 | 3d617bb |
15 | 293e182 |
hex | 1c6f139 |
29815097 has 16 divisors (see below), whose sum is σ = 33097680. Its totient is φ = 26687232.
The previous prime is 29815091. The next prime is 29815111. The reversal of 29815097 is 79051892.
It can be written as a sum of positive squares in 8 ways, for example, as 341056 + 29474041 = 584^2 + 5429^2 .
It is not a de Polignac number, because 29815097 - 26 = 29815033 is a prime.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29815091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74903 + ... + 75299.
It is an arithmetic number, because the mean of its divisors is an integer number (2068605).
Almost surely, 229815097 is an apocalyptic number.
It is an amenable number.
29815097 is a deficient number, since it is larger than the sum of its proper divisors (3282583).
29815097 is a wasteful number, since it uses less digits than its factorization.
29815097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572.
The product of its (nonzero) digits is 45360, while the sum is 41.
The square root of 29815097 is about 5460.3202287045. The cubic root of 29815097 is about 310.0835605474.
The spelling of 29815097 in words is "twenty-nine million, eight hundred fifteen thousand, ninety-seven".
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