Base | Representation |
---|---|
bin | 100100101000… |
… | …1011111000101 |
3 | 1100010212121100 |
4 | 1021101133011 |
5 | 14404130013 |
6 | 1523410313 |
7 | 322160250 |
oct | 111213705 |
9 | 40125540 |
10 | 19208133 |
11 | a92a39a |
12 | 6523999 |
13 | 3c96b79 |
14 | 27a0097 |
15 | 1a46473 |
hex | 12517c5 |
19208133 has 24 divisors (see below), whose sum is σ = 31824000. Its totient is φ = 10936224.
The previous prime is 19208129. The next prime is 19208141. The reversal of 19208133 is 33180291.
It is not a de Polignac number, because 19208133 - 22 = 19208129 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 19208097 and 19208106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19208153) 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, 31768 + ... + 32366.
It is an arithmetic number, because the mean of its divisors is an integer number (1326000).
Almost surely, 219208133 is an apocalyptic number.
It is an amenable number.
19208133 is a deficient number, since it is larger than the sum of its proper divisors (12615867).
19208133 is a wasteful number, since it uses less digits than its factorization.
19208133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1121 (or 1118 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 19208133 is about 4382.7084091917. The cubic root of 19208133 is about 267.8109837107.
The spelling of 19208133 in words is "nineteen million, two hundred eight thousand, one hundred thirty-three".
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