Base | Representation |
---|---|
bin | 100101000100… |
… | …0101010010100 |
3 | 1100120100121200 |
4 | 1022020222110 |
5 | 14433343012 |
6 | 1532312500 |
7 | 324121164 |
oct | 112105224 |
9 | 40510550 |
10 | 19434132 |
11 | aa74173 |
12 | 6612730 |
13 | 40459b3 |
14 | 281c5a4 |
15 | 1a8d3dc |
hex | 1288a94 |
19434132 has 18 divisors (see below), whose sum is σ = 49125258. Its totient is φ = 6478032.
The previous prime is 19434127. The next prime is 19434137. The reversal of 19434132 is 23143491.
It is an interprime number because it is at equal distance from previous prime (19434127) and next prime (19434137).
It can be written as a sum of positive squares in only one way, i.e., 19236996 + 197136 = 4386^2 + 444^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 19434096 and 19434105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19434137) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269883 + ... + 269954.
It is an arithmetic number, because the mean of its divisors is an integer number (2729181).
Almost surely, 219434132 is an apocalyptic number.
19434132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19434132 is an abundant number, since it is smaller than the sum of its proper divisors (29691126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19434132 is a wasteful number, since it uses less digits than its factorization.
19434132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 539847 (or 539842 counting only the distinct ones).
The product of its digits is 2592, while the sum is 27.
The square root of 19434132 is about 4408.4160420723. The cubic root of 19434132 is about 268.8572276644.
The spelling of 19434132 in words is "nineteen million, four hundred thirty-four thousand, one hundred thirty-two".
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