Base | Representation |
---|---|
bin | 111000100111… |
… | …0000111011011 |
3 | 2001211220102122 |
4 | 1301032013123 |
5 | 30044230331 |
6 | 2540051455 |
7 | 510163610 |
oct | 161160733 |
9 | 61756378 |
10 | 29680091 |
11 | 15832101 |
12 | 9b33b8b |
13 | 61c24ac |
14 | 3d28507 |
15 | 291417b |
hex | 1c4e1db |
29680091 has 8 divisors (see below), whose sum is σ = 34168800. Its totient is φ = 25253568.
The previous prime is 29680087. The next prime is 29680103. The reversal of 29680091 is 19008692.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29680091 - 22 = 29680087 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29680061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14516 + ... + 16433.
It is an arithmetic number, because the mean of its divisors is an integer number (4271100).
Almost surely, 229680091 is an apocalyptic number.
29680091 is a deficient number, since it is larger than the sum of its proper divisors (4488709).
29680091 is a wasteful number, since it uses less digits than its factorization.
29680091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31093.
The product of its (nonzero) digits is 7776, while the sum is 35.
The square root of 29680091 is about 5447.9437405318. The cubic root of 29680091 is about 309.6148216446.
The spelling of 29680091 in words is "twenty-nine million, six hundred eighty thousand, ninety-one".
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