Base | Representation |
---|---|
bin | 100101111011… |
… | …0000010100101 |
3 | 1101102010011220 |
4 | 1023312002211 |
5 | 20042212044 |
6 | 1550050553 |
7 | 330665310 |
oct | 113660245 |
9 | 41363156 |
10 | 19882149 |
11 | 1024a831 |
12 | 67a9a59 |
13 | 41718b1 |
14 | 28d7977 |
15 | 1b2b019 |
hex | 12f60a5 |
19882149 has 8 divisors (see below), whose sum is σ = 30296640. Its totient is φ = 11361216.
The previous prime is 19882147. The next prime is 19882199. The reversal of 19882149 is 94128891.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19882149 - 21 = 19882147 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 19882149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19882141) 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, 473364 + ... + 473405.
It is an arithmetic number, because the mean of its divisors is an integer number (3787080).
Almost surely, 219882149 is an apocalyptic number.
It is an amenable number.
19882149 is a deficient number, since it is larger than the sum of its proper divisors (10414491).
19882149 is an equidigital number, since it uses as much as digits as its factorization.
19882149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 946779.
The product of its digits is 41472, while the sum is 42.
The square root of 19882149 is about 4458.9403449699. The cubic root of 19882149 is about 270.9075496068.
The spelling of 19882149 in words is "nineteen million, eight hundred eighty-two thousand, one hundred forty-nine".
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