Base | Representation |
---|---|
bin | 100100110011… |
… | …1111011010111 |
3 | 1100022112200212 |
4 | 1021213323113 |
5 | 14420100210 |
6 | 1525400035 |
7 | 323022245 |
oct | 111477327 |
9 | 40275625 |
10 | 19300055 |
11 | a992465 |
12 | 656901b |
13 | 3cc9968 |
14 | 27c5795 |
15 | 1a63805 |
hex | 1267ed7 |
19300055 has 8 divisors (see below), whose sum is σ = 23184144. Its totient is φ = 15424000.
The previous prime is 19300031. The next prime is 19300069. The reversal of 19300055 is 55000391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 19300055 - 212 = 19295959 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 19300055.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6800 + ... + 9210.
It is an arithmetic number, because the mean of its divisors is an integer number (2898018).
Almost surely, 219300055 is an apocalyptic number.
19300055 is a deficient number, since it is larger than the sum of its proper divisors (3884089).
19300055 is a wasteful number, since it uses less digits than its factorization.
19300055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4017.
The product of its (nonzero) digits is 675, while the sum is 23.
The square root of 19300055 is about 4393.1827870008. The cubic root of 19300055 is about 268.2375140650.
The spelling of 19300055 in words is "nineteen million, three hundred thousand, fifty-five".
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