Base | Representation |
---|---|
bin | 100101000011… |
… | …0001010111100 |
3 | 1100112211121220 |
4 | 1022012022330 |
5 | 14433031212 |
6 | 1532153340 |
7 | 324046353 |
oct | 112061274 |
9 | 40484556 |
10 | 19423932 |
11 | aa67540 |
12 | 6608850 |
13 | 4041168 |
14 | 281899a |
15 | 1a8a38c |
hex | 12862bc |
19423932 has 24 divisors (see below), whose sum is σ = 49443072. Its totient is φ = 5886000.
The previous prime is 19423919. The next prime is 19423933. The reversal of 19423932 is 23932491.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 19423893 and 19423902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19423933) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 73444 + ... + 73707.
It is an arithmetic number, because the mean of its divisors is an integer number (2060128).
Almost surely, 219423932 is an apocalyptic number.
19423932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19423932 is an abundant number, since it is smaller than the sum of its proper divisors (30019140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19423932 is a wasteful number, since it uses less digits than its factorization.
19423932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147169 (or 147167 counting only the distinct ones).
The product of its digits is 11664, while the sum is 33.
The square root of 19423932 is about 4407.2590121299. The cubic root of 19423932 is about 268.8101828803.
The spelling of 19423932 in words is "nineteen million, four hundred twenty-three thousand, nine hundred thirty-two".
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