Base | Representation |
---|---|
bin | 100100101011… |
… | …0011000100011 |
3 | 1100011220010101 |
4 | 1021112120203 |
5 | 14410300240 |
6 | 1524043231 |
7 | 322302610 |
oct | 111263043 |
9 | 40156111 |
10 | 19228195 |
11 | a943478 |
12 | 6533517 |
13 | 3ca303c |
14 | 27a7507 |
15 | 1a4c39a |
hex | 1256623 |
19228195 has 16 divisors (see below), whose sum is σ = 26691840. Its totient is φ = 13024224.
The previous prime is 19228169. The next prime is 19228201. The reversal of 19228195 is 59182291.
It is a cyclic number.
It is not a de Polignac number, because 19228195 - 25 = 19228163 is a prime.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 405 + ... + 6214.
It is an arithmetic number, because the mean of its divisors is an integer number (1668240).
Almost surely, 219228195 is an apocalyptic number.
19228195 is a deficient number, since it is larger than the sum of its proper divisors (7463645).
19228195 is an equidigital number, since it uses as much as digits as its factorization.
19228195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6714.
The product of its digits is 12960, while the sum is 37.
The square root of 19228195 is about 4384.9965792461. The cubic root of 19228195 is about 267.9041899667.
The spelling of 19228195 in words is "nineteen million, two hundred twenty-eight thousand, one hundred ninety-five".
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