Base | Representation |
---|---|
bin | 111000100111… |
… | …1011010101011 |
3 | 2001212011201222 |
4 | 1301033122223 |
5 | 30044413134 |
6 | 2540132255 |
7 | 510215261 |
oct | 161173253 |
9 | 61764658 |
10 | 29685419 |
11 | 15836105 |
12 | 9b3708b |
13 | 61c4a4a |
14 | 3d2a431 |
15 | 2915a2e |
hex | 1c4f6ab |
29685419 has 8 divisors (see below), whose sum is σ = 30088800. Its totient is φ = 29285056.
The previous prime is 29685413. The next prime is 29685421. The reversal of 29685419 is 91458692.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29685419 - 220 = 28636843 is a prime.
It is a super-2 number, since 2×296854192 = 1762448202411122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 29685419.
It is not an unprimeable number, because it can be changed into a prime (29685413) 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, 24287 + ... + 25479.
It is an arithmetic number, because the mean of its divisors is an integer number (3761100).
Almost surely, 229685419 is an apocalyptic number.
29685419 is a deficient number, since it is larger than the sum of its proper divisors (403381).
29685419 is a wasteful number, since it uses less digits than its factorization.
29685419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1509.
The product of its digits is 155520, while the sum is 44.
The square root of 29685419 is about 5448.4327104223. The cubic root of 29685419 is about 309.6333472961.
The spelling of 29685419 in words is "twenty-nine million, six hundred eighty-five thousand, four hundred nineteen".
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