Base | Representation |
---|---|
bin | 100100011100… |
… | …0110110101001 |
3 | 1022221202012121 |
4 | 1020320312221 |
5 | 14342412431 |
6 | 1521311241 |
7 | 321260146 |
oct | 110706651 |
9 | 38852177 |
10 | 19107241 |
11 | a87060a |
12 | 6495521 |
13 | 3c5cc7a |
14 | 27753cd |
15 | 1a26611 |
hex | 1238da9 |
19107241 has 2 divisors, whose sum is σ = 19107242. Its totient is φ = 19107240.
The previous prime is 19107233. The next prime is 19107247. The reversal of 19107241 is 14270191.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19105641 + 1600 = 4371^2 + 40^2 .
It is a cyclic number.
It is not a de Polignac number, because 19107241 - 23 = 19107233 is a prime.
It is not a weakly prime, because it can be changed into another prime (19107247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9553620 + 9553621.
It is an arithmetic number, because the mean of its divisors is an integer number (9553621).
Almost surely, 219107241 is an apocalyptic number.
It is an amenable number.
19107241 is a deficient number, since it is larger than the sum of its proper divisors (1).
19107241 is an equidigital number, since it uses as much as digits as its factorization.
19107241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 25.
The square root of 19107241 is about 4371.1830206478. The cubic root of 19107241 is about 267.3412619806.
The spelling of 19107241 in words is "nineteen million, one hundred seven thousand, two hundred forty-one".
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