Base | Representation |
---|---|
bin | 100100011111… |
… | …0100110110000 |
3 | 1022222221112011 |
4 | 1020332212300 |
5 | 14344141200 |
6 | 1522012304 |
7 | 321415633 |
oct | 110764660 |
9 | 38887464 |
10 | 19130800 |
11 | a887287 |
12 | 64a7094 |
13 | 3c6a900 |
14 | 277dc1a |
15 | 1a2d5ba |
hex | 123e9b0 |
19130800 has 90 divisors (see below), whose sum is σ = 49945092. Its totient is φ = 7038720.
The previous prime is 19130791. The next prime is 19130801. The reversal of 19130800 is 803191.
It is not an unprimeable number, because it can be changed into a prime (19130801) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67459 + ... + 67741.
Almost surely, 219130800 is an apocalyptic number.
19130800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19130800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24972546).
19130800 is an abundant number, since it is smaller than the sum of its proper divisors (30814292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19130800 is a wasteful number, since it uses less digits than its factorization.
19130800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327 (or 303 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 22.
The square root of 19130800 is about 4373.8769987278. The cubic root of 19130800 is about 267.4510930474.
Adding to 19130800 its reverse (803191), we get a palindrome (19933991).
The spelling of 19130800 in words is "nineteen million, one hundred thirty thousand, eight hundred".
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