Base | Representation |
---|---|
bin | 111001000000… |
… | …0001101010101 |
3 | 2002020022212211 |
4 | 1302000031111 |
5 | 30122312034 |
6 | 2544313421 |
7 | 512010031 |
oct | 162001525 |
9 | 62208784 |
10 | 29885269 |
11 | 15962277 |
12 | a012871 |
13 | 62649bb |
14 | 3d7d1c1 |
15 | 2954d64 |
hex | 1c80355 |
29885269 has 16 divisors (see below), whose sum is σ = 33067440. Its totient is φ = 26890240.
The previous prime is 29885267. The next prime is 29885281. The reversal of 29885269 is 96258892.
It can be written as a sum of positive squares in 8 ways, for example, as 1134225 + 28751044 = 1065^2 + 5362^2 .
It is a cyclic number.
It is not a de Polignac number, because 29885269 - 21 = 29885267 is a prime.
It is a super-2 number, since 2×298852692 = 1786258606404722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29885263) 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, 36537 + ... + 37345.
It is an arithmetic number, because the mean of its divisors is an integer number (2066715).
Almost surely, 229885269 is an apocalyptic number.
It is an amenable number.
29885269 is a deficient number, since it is larger than the sum of its proper divisors (3182171).
29885269 is a wasteful number, since it uses less digits than its factorization.
29885269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920.
The product of its digits is 622080, while the sum is 49.
The square root of 29885269 is about 5466.7420828131. The cubic root of 29885269 is about 310.3266380202.
The spelling of 29885269 in words is "twenty-nine million, eight hundred eighty-five thousand, two hundred sixty-nine".
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