Search a number
-
+
19065441 = 329219143
BaseRepresentation
bin100100010111…
…0101001100001
31022212121212110
41020232221201
514340043231
61520345533
7321024243
oct110565141
938777773
1019065441
11a84216a
1264752a9
133c46c35
142764093
151a19046
hex122ea61

19065441 has 8 divisors (see below), whose sum is σ = 26297280. Its totient is φ = 12271952.

The previous prime is 19065439. The next prime is 19065443. The reversal of 19065441 is 14456091.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19065439) and next prime (19065443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19065441 - 21 = 19065439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19065399 and 19065408.

It is not an unprimeable number, because it can be changed into a prime (19065443) 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 in 7 ways as a sum of consecutive naturals, for example, 109485 + ... + 109658.

It is an arithmetic number, because the mean of its divisors is an integer number (3287160).

Almost surely, 219065441 is an apocalyptic number.

It is an amenable number.

19065441 is a deficient number, since it is larger than the sum of its proper divisors (7231839).

19065441 is a wasteful number, since it uses less digits than its factorization.

19065441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219175.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 19065441 is about 4366.3990884939. The cubic root of 19065441 is about 267.1461697365.

The spelling of 19065441 in words is "nineteen million, sixty-five thousand, four hundred forty-one".

Divisors: 1 3 29 87 219143 657429 6355147 19065441