Base | Representation |
---|---|
bin | 100100010110… |
… | …0001011110101 |
3 | 1022212010000200 |
4 | 1020230023311 |
5 | 14334232344 |
6 | 1520231113 |
7 | 320652645 |
oct | 110541365 |
9 | 38763020 |
10 | 19055349 |
11 | a835625 |
12 | 646b499 |
13 | 3c42471 |
14 | 2760525 |
15 | 1a16069 |
hex | 122c2f5 |
19055349 has 12 divisors (see below), whose sum is σ = 28473900. Its totient is φ = 12265344.
The previous prime is 19055341. The next prime is 19055357. The reversal of 19055349 is 94355091.
It is an interprime number because it is at equal distance from previous prime (19055341) and next prime (19055357).
It can be written as a sum of positive squares in 2 ways, for example, as 6502500 + 12552849 = 2550^2 + 3543^2 .
It is not a de Polignac number, because 19055349 - 23 = 19055341 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19055341) 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, 36244 + ... + 36765.
It is an arithmetic number, because the mean of its divisors is an integer number (2372825).
Almost surely, 219055349 is an apocalyptic number.
It is an amenable number.
19055349 is a deficient number, since it is larger than the sum of its proper divisors (9418551).
19055349 is a wasteful number, since it uses less digits than its factorization.
19055349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73044 (or 73041 counting only the distinct ones).
The product of its (nonzero) digits is 24300, while the sum is 36.
The square root of 19055349 is about 4365.2432921889. The cubic root of 19055349 is about 267.0990248355.
The spelling of 19055349 in words is "nineteen million, fifty-five thousand, three hundred forty-nine".
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