Base | Representation |
---|---|
bin | 100100111110… |
… | …0001100101000 |
3 | 1100110202120212 |
4 | 1021330030220 |
5 | 14430224310 |
6 | 1531240252 |
7 | 323516303 |
oct | 111741450 |
9 | 40422525 |
10 | 19383080 |
11 | aa39882 |
12 | 65a9088 |
13 | 40286a2 |
14 | 2807b3a |
15 | 1a7d205 |
hex | 127c328 |
19383080 has 16 divisors (see below), whose sum is σ = 43612020. Its totient is φ = 7753216.
The previous prime is 19383061. The next prime is 19383101. The reversal of 19383080 is 8038391.
It can be written as a sum of positive squares in 2 ways, for example, as 19377604 + 5476 = 4402^2 + 74^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242249 + ... + 242328.
Almost surely, 219383080 is an apocalyptic number.
19383080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19383080 is an abundant number, since it is smaller than the sum of its proper divisors (24228940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19383080 is a wasteful number, since it uses less digits than its factorization.
19383080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484588 (or 484584 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 19383080 is about 4402.6219460680. The cubic root of 19383080 is about 268.6215986595.
The spelling of 19383080 in words is "nineteen million, three hundred eighty-three thousand, eighty".
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