Base | Representation |
---|---|
bin | 100100110011… |
… | …1111100110101 |
3 | 1100022112211100 |
4 | 1021213330311 |
5 | 14420101044 |
6 | 1525400313 |
7 | 323022441 |
oct | 111477465 |
9 | 40275740 |
10 | 19300149 |
11 | a992540 |
12 | 6569099 |
13 | 3cc9a0b |
14 | 27c5821 |
15 | 1a63869 |
hex | 1267f35 |
19300149 has 24 divisors (see below), whose sum is σ = 30655872. Its totient is φ = 11603520.
The previous prime is 19300147. The next prime is 19300153. The reversal of 19300149 is 94100391.
It is not a de Polignac number, because 19300149 - 21 = 19300147 is a prime.
It is a Curzon number.
It is a zygodrome in base 3.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19300147) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12852 + ... + 14274.
It is an arithmetic number, because the mean of its divisors is an integer number (1277328).
Almost surely, 219300149 is an apocalyptic number.
It is an amenable number.
19300149 is a deficient number, since it is larger than the sum of its proper divisors (11355723).
19300149 is a wasteful number, since it uses less digits than its factorization.
19300149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1577 (or 1574 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 19300149 is about 4393.1934853817. The cubic root of 19300149 is about 268.2379495436.
The spelling of 19300149 in words is "nineteen million, three hundred thousand, one hundred forty-nine".
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