Search a number
-
+
19048481 is a prime number
BaseRepresentation
bin100100010101…
…0100000100001
31022211202121022
41020222200201
514334022411
61520135225
7320623634
oct110524041
938752538
1019048481
11a830451
126467515
133c3c2ba
14275bc1b
151a13edb
hex122a821

19048481 has 2 divisors, whose sum is σ = 19048482. Its totient is φ = 19048480.

The previous prime is 19048433. The next prime is 19048493. The reversal of 19048481 is 18484091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 8904256 = 3185^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 19048481 - 218 = 18786337 is a prime.

It is a super-2 number, since 2×190484812 = 725689256814722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19048411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9524240 + 9524241.

It is an arithmetic number, because the mean of its divisors is an integer number (9524241).

Almost surely, 219048481 is an apocalyptic number.

It is an amenable number.

19048481 is a deficient number, since it is larger than the sum of its proper divisors (1).

19048481 is an equidigital number, since it uses as much as digits as its factorization.

19048481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 19048481 is about 4364.4565526535. The cubic root of 19048481 is about 267.0669313703.

The spelling of 19048481 in words is "nineteen million, forty-eight thousand, four hundred eighty-one".