Base | Representation |
---|---|
bin | 100100101100… |
… | …1101111011011 |
3 | 1100012120222201 |
4 | 1021121233123 |
5 | 14411220242 |
6 | 1524231031 |
7 | 322360654 |
oct | 111315733 |
9 | 40176881 |
10 | 19241947 |
11 | a95283a |
12 | 653b477 |
13 | 3ca938a |
14 | 27ac52b |
15 | 1a514b7 |
hex | 1259bdb |
19241947 has 2 divisors, whose sum is σ = 19241948. Its totient is φ = 19241946.
The previous prime is 19241933. The next prime is 19241953. The reversal of 19241947 is 74914291.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19241947 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (19241347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9620973 + 9620974.
It is an arithmetic number, because the mean of its divisors is an integer number (9620974).
Almost surely, 219241947 is an apocalyptic number.
19241947 is a deficient number, since it is larger than the sum of its proper divisors (1).
19241947 is an equidigital number, since it uses as much as digits as its factorization.
19241947 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18144, while the sum is 37.
The square root of 19241947 is about 4386.5643731741. The cubic root of 19241947 is about 267.9680430819.
The spelling of 19241947 in words is "nineteen million, two hundred forty-one thousand, nine hundred forty-seven".
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