Base | Representation |
---|---|
bin | 100100111110… |
… | …1101100011110 |
3 | 1100111002000001 |
4 | 1021331230132 |
5 | 14430423324 |
6 | 1531324514 |
7 | 323543215 |
oct | 111755436 |
9 | 40432001 |
10 | 19389214 |
11 | aa43449 |
12 | 65b073a |
13 | 402b410 |
14 | 280a07c |
15 | 1a7ee44 |
hex | 127db1e |
19389214 has 16 divisors (see below), whose sum is σ = 33164208. Its totient is φ = 8422272.
The previous prime is 19389211. The next prime is 19389241. The reversal of 19389214 is 41298391.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19389211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21492 + ... + 22375.
It is an arithmetic number, because the mean of its divisors is an integer number (2072763).
Almost surely, 219389214 is an apocalyptic number.
19389214 is a deficient number, since it is larger than the sum of its proper divisors (13774994).
19389214 is a wasteful number, since it uses less digits than its factorization.
19389214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43899.
The product of its digits is 15552, while the sum is 37.
The square root of 19389214 is about 4403.3185212973. The cubic root of 19389214 is about 268.6499318089.
The spelling of 19389214 in words is "nineteen million, three hundred eighty-nine thousand, two hundred fourteen".
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