Base | Representation |
---|---|
bin | 100100100000… |
… | …0101010001110 |
3 | 1100000101001210 |
4 | 1021000222032 |
5 | 14344423324 |
6 | 1522115250 |
7 | 321452313 |
oct | 111005216 |
9 | 40011053 |
10 | 19139214 |
11 | a892636 |
12 | 64abb26 |
13 | 3c716a3 |
14 | 2782d0a |
15 | 1a30d29 |
hex | 1240a8e |
19139214 has 32 divisors (see below), whose sum is σ = 40449024. Its totient is φ = 6027840.
The previous prime is 19139209. The next prime is 19139221. The reversal of 19139214 is 41293191.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6802 + ... + 9194.
It is an arithmetic number, because the mean of its divisors is an integer number (1264032).
Almost surely, 219139214 is an apocalyptic number.
19139214 is an abundant number, since it is smaller than the sum of its proper divisors (21309810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19139214 is a wasteful number, since it uses less digits than its factorization.
19139214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2472.
The product of its digits is 1944, while the sum is 30.
The square root of 19139214 is about 4374.8387398852. The cubic root of 19139214 is about 267.4902969084.
The spelling of 19139214 in words is "nineteen million, one hundred thirty-nine thousand, two hundred fourteen".
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