Search a number
-
+
19441361 is a prime number
BaseRepresentation
bin100101000101…
…0011011010001
31100120201112102
41022022123101
514434110421
61532410145
7324151232
oct112123321
940521472
1019441361
11aa79645
126616955
134049084
142821089
151a9060b
hex128a6d1

19441361 has 2 divisors, whose sum is σ = 19441362. Its totient is φ = 19441360.

The previous prime is 19441343. The next prime is 19441381. The reversal of 19441361 is 16314491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18105025 + 1336336 = 4255^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 19441361 - 26 = 19441297 is a prime.

It is a Chen prime.

It is equal to p1237376 and since 19441361 and 1237376 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (19441321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9720680 + 9720681.

It is an arithmetic number, because the mean of its divisors is an integer number (9720681).

Almost surely, 219441361 is an apocalyptic number.

It is an amenable number.

19441361 is a deficient number, since it is larger than the sum of its proper divisors (1).

19441361 is an equidigital number, since it uses as much as digits as its factorization.

19441361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 19441361 is about 4409.2358748427. The cubic root of 19441361 is about 268.8905595357.

The spelling of 19441361 in words is "nineteen million, four hundred forty-one thousand, three hundred sixty-one".