Base | Representation |
---|---|
bin | 100101000100… |
… | …0101001000111 |
3 | 1100120100111211 |
4 | 1022020221013 |
5 | 14433342210 |
6 | 1532312251 |
7 | 324121024 |
oct | 112105107 |
9 | 40510454 |
10 | 19434055 |
11 | aa74103 |
12 | 6612687 |
13 | 4045954 |
14 | 281c54b |
15 | 1a8d38a |
hex | 1288a47 |
19434055 has 16 divisors (see below), whose sum is σ = 25344000. Its totient is φ = 14251680.
The previous prime is 19434053. The next prime is 19434071. The reversal of 19434055 is 55043491.
It is not a de Polignac number, because 19434055 - 21 = 19434053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19434053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355 + ... + 6244.
It is an arithmetic number, because the mean of its divisors is an integer number (1584000).
Almost surely, 219434055 is an apocalyptic number.
19434055 is a deficient number, since it is larger than the sum of its proper divisors (5909945).
19434055 is a wasteful number, since it uses less digits than its factorization.
19434055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6654.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 19434055 is about 4408.4073087681. The cubic root of 19434055 is about 268.8568725841.
The spelling of 19434055 in words is "nineteen million, four hundred thirty-four thousand, fifty-five".
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