Base | Representation |
---|---|
bin | 100110000011… |
… | …0010111110001 |
3 | 1101112111221101 |
4 | 1030012113301 |
5 | 20101332131 |
6 | 1551324401 |
7 | 331364320 |
oct | 114062761 |
9 | 41474841 |
10 | 19949041 |
11 | 10296012 |
12 | 6820701 |
13 | 4196188 |
14 | 29140b7 |
15 | 1b40c61 |
hex | 13065f1 |
19949041 has 16 divisors (see below), whose sum is σ = 24603264. Its totient is φ = 15784704.
The previous prime is 19949029. The next prime is 19949047. The reversal of 19949041 is 14094991.
It is not a de Polignac number, because 19949041 - 29 = 19948529 is a prime.
It is not an unprimeable number, because it can be changed into a prime (19949047) 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, 4726 + ... + 7888.
It is an arithmetic number, because the mean of its divisors is an integer number (1537704).
Almost surely, 219949041 is an apocalyptic number.
It is an amenable number.
19949041 is a deficient number, since it is larger than the sum of its proper divisors (4654223).
19949041 is a wasteful number, since it uses less digits than its factorization.
19949041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3240.
The product of its (nonzero) digits is 11664, while the sum is 37.
The square root of 19949041 is about 4466.4349317996. The cubic root of 19949041 is about 271.2110255682.
The spelling of 19949041 in words is "nineteen million, nine hundred forty-nine thousand, forty-one".
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