Base | Representation |
---|---|
bin | 110111110111… |
… | …1100010010001 |
3 | 2001010020000102 |
4 | 1233233202101 |
5 | 24444331224 |
6 | 2523502145 |
7 | 503661266 |
oct | 157574221 |
9 | 61106012 |
10 | 29292689 |
11 | 15598038 |
12 | 9987955 |
13 | 60b806a |
14 | 3c6726d |
15 | 28894ae |
hex | 1bef891 |
29292689 has 4 divisors (see below), whose sum is σ = 29344740. Its totient is φ = 29240640.
The previous prime is 29292671. The next prime is 29292691. The reversal of 29292689 is 98629292.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 23571025 = 2392^2 + 4855^2 .
It is a cyclic number.
It is not a de Polignac number, because 29292689 - 212 = 29288593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29292629) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25172 + ... + 26309.
It is an arithmetic number, because the mean of its divisors is an integer number (7336185).
Almost surely, 229292689 is an apocalyptic number.
It is an amenable number.
29292689 is a deficient number, since it is larger than the sum of its proper divisors (52051).
29292689 is an equidigital number, since it uses as much as digits as its factorization.
29292689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52050.
The product of its digits is 279936, while the sum is 47.
The square root of 29292689 is about 5412.2720737228. The cubic root of 29292689 is about 308.2618261902.
The spelling of 29292689 in words is "twenty-nine million, two hundred ninety-two thousand, six hundred eighty-nine".
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