Base | Representation |
---|---|
bin | 111000000111… |
… | …0110100010011 |
3 | 2001100201202222 |
4 | 1300032310103 |
5 | 30012431234 |
6 | 2530331255 |
7 | 505033661 |
oct | 160166423 |
9 | 61321688 |
10 | 29420819 |
11 | 1567532a |
12 | 9a29b2b |
13 | 613148c |
14 | 3c9bc31 |
15 | 28b242e |
hex | 1c0ed13 |
29420819 has 8 divisors (see below), whose sum is σ = 30780000. Its totient is φ = 28084672.
The previous prime is 29420813. The next prime is 29420843. The reversal of 29420819 is 91802492.
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 29420819 - 28 = 29420563 is a prime.
It is a super-2 number, since 2×294208192 = 1731169181261522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29420813) 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, 3119 + ... + 8280.
It is an arithmetic number, because the mean of its divisors is an integer number (3847500).
Almost surely, 229420819 is an apocalyptic number.
29420819 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
29420819 is a deficient number, since it is larger than the sum of its proper divisors (1359181).
29420819 is a wasteful number, since it uses less digits than its factorization.
29420819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11517.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 29420819 is about 5424.0961459030. The cubic root of 29420819 is about 308.7106314438.
The spelling of 29420819 in words is "twenty-nine million, four hundred twenty thousand, eight hundred nineteen".
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