Search a number
-
+
11903057 is a prime number
BaseRepresentation
bin101101011010…
…000001010001
3211101201220222
4231122001101
511021344212
61103042425
7203113535
oct55320121
924351828
1011903057
11679aa41
123ba0415
132609b3a
14181bbc5
1510a1c72
hexb5a051

11903057 has 2 divisors, whose sum is σ = 11903058. Its totient is φ = 11903056.

The previous prime is 11903041. The next prime is 11903069. The reversal of 11903057 is 75030911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10042561 + 1860496 = 3169^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 11903057 - 24 = 11903041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11903657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951528 + 5951529.

It is an arithmetic number, because the mean of its divisors is an integer number (5951529).

Almost surely, 211903057 is an apocalyptic number.

It is an amenable number.

11903057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11903057 is an equidigital number, since it uses as much as digits as its factorization.

11903057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 11903057 is about 3450.0807236933. The cubic root of 11903057 is about 228.3246695465.

Adding to 11903057 its reverse (75030911), we get a palindrome (86933968).

The spelling of 11903057 in words is "eleven million, nine hundred three thousand, fifty-seven".