Base | Representation |
---|---|
bin | 100100100000… |
… | …0111010000110 |
3 | 1100000102110102 |
4 | 1021000322012 |
5 | 14344441410 |
6 | 1522124102 |
7 | 321455264 |
oct | 111007206 |
9 | 40012412 |
10 | 19140230 |
11 | a89337a |
12 | 64b0632 |
13 | 3c71ca5 |
14 | 2783434 |
15 | 1a312a5 |
hex | 1240e86 |
19140230 has 8 divisors (see below), whose sum is σ = 34452432. Its totient is φ = 7656088.
The previous prime is 19140227. The next prime is 19140241. The reversal of 19140230 is 3204191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957002 + ... + 957021.
It is an arithmetic number, because the mean of its divisors is an integer number (4306554).
Almost surely, 219140230 is an apocalyptic number.
19140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19140230 is a deficient number, since it is larger than the sum of its proper divisors (15312202).
19140230 is a wasteful number, since it uses less digits than its factorization.
19140230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1914030.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 19140230 is about 4374.9548569100. The cubic root of 19140230 is about 267.4950300413.
The spelling of 19140230 in words is "nineteen million, one hundred forty thousand, two hundred thirty".
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