Base | Representation |
---|---|
bin | 100100011111… |
… | …0100101010000 |
3 | 1022222221101121 |
4 | 1020332211100 |
5 | 14344140304 |
6 | 1522012024 |
7 | 321415435 |
oct | 110764520 |
9 | 38887347 |
10 | 19130704 |
11 | a8871aa |
12 | 64a7014 |
13 | 3c6a858 |
14 | 277db8c |
15 | 1a2d554 |
hex | 123e950 |
19130704 has 10 divisors (see below), whose sum is σ = 37065770. Its totient is φ = 9565344.
The previous prime is 19130693. The next prime is 19130707. The reversal of 19130704 is 40703191.
It can be written as a sum of positive squares in only one way, i.e., 19009600 + 121104 = 4360^2 + 348^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19130707) by changing a digit.
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 as a sum of consecutive naturals, namely, 597819 + ... + 597850.
It is an arithmetic number, because the mean of its divisors is an integer number (3706577).
Almost surely, 219130704 is an apocalyptic number.
It is an amenable number.
19130704 is a deficient number, since it is larger than the sum of its proper divisors (17935066).
19130704 is a wasteful number, since it uses less digits than its factorization.
19130704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1195677 (or 1195671 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 19130704 is about 4373.8660244685. The cubic root of 19130704 is about 267.4506456825.
Adding to 19130704 its reverse (40703191), we get a palindrome (59833895).
The spelling of 19130704 in words is "nineteen million, one hundred thirty thousand, seven hundred four".
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