Base | Representation |
---|---|
bin | 100100101001… |
… | …0101110010010 |
3 | 1100011010120002 |
4 | 1021102232102 |
5 | 14404310302 |
6 | 1523450002 |
7 | 322211111 |
oct | 111225622 |
9 | 40133502 |
10 | 19213202 |
11 | a933188 |
12 | 6526902 |
13 | 3c99278 |
14 | 27a1c78 |
15 | 1a47c02 |
hex | 1252b92 |
19213202 has 8 divisors (see below), whose sum is σ = 28930176. Its totient is φ = 9569812.
The previous prime is 19213193. The next prime is 19213267. The reversal of 19213202 is 20231291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 7.
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 3 ways as a sum of consecutive naturals, for example, 17738 + ... + 18789.
It is an arithmetic number, because the mean of its divisors is an integer number (3616272).
Almost surely, 219213202 is an apocalyptic number.
19213202 is a deficient number, since it is larger than the sum of its proper divisors (9716974).
19213202 is a wasteful number, since it uses less digits than its factorization.
19213202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36792.
The product of its (nonzero) digits is 216, while the sum is 20.
The square root of 19213202 is about 4383.2866664182. The cubic root of 19213202 is about 267.8345399560.
Adding to 19213202 its reverse (20231291), we get a palindrome (39444493).
The spelling of 19213202 in words is "nineteen million, two hundred thirteen thousand, two hundred two".
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