Base | Representation |
---|---|
bin | 110111101011… |
… | …0110011111011 |
3 | 2000221002002200 |
4 | 1233112303323 |
5 | 24433111134 |
6 | 2521401243 |
7 | 503060115 |
oct | 157266373 |
9 | 60832080 |
10 | 29191419 |
11 | 15528a44 |
12 | 9939223 |
13 | 6080c3a |
14 | 3c3c3b5 |
15 | 2869499 |
hex | 1bd6cfb |
29191419 has 12 divisors (see below), whose sum is σ = 42560856. Its totient is φ = 19278432.
The previous prime is 29191417. The next prime is 29191427. The reversal of 29191419 is 91419192.
It is not a de Polignac number, because 29191419 - 21 = 29191417 is a prime.
It is a super-2 number, since 2×291914192 = 1704277886467122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29191417) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14194 + ... + 16119.
It is an arithmetic number, because the mean of its divisors is an integer number (3546738).
Almost surely, 229191419 is an apocalyptic number.
29191419 is a deficient number, since it is larger than the sum of its proper divisors (13369437).
29191419 is a wasteful number, since it uses less digits than its factorization.
29191419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30426 (or 30423 counting only the distinct ones).
The product of its digits is 5832, while the sum is 36.
The square root of 29191419 is about 5402.9083834542. The cubic root of 29191419 is about 307.9061775003.
The spelling of 29191419 in words is "twenty-nine million, one hundred ninety-one thousand, four hundred nineteen".
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