Search a number
-
+
75313141 is a prime number
BaseRepresentation
bin1000111110100…
…10111111110101
312020201022012121
410133102333311
5123240010031
611250115541
71603102561
oct437227765
9166638177
1075313141
113956a972
122127bbb1
13127abcb7
14a0066a1
15692a011
hex47d2ff5

75313141 has 2 divisors, whose sum is σ = 75313142. Its totient is φ = 75313140.

The previous prime is 75313103. The next prime is 75313157. The reversal of 75313141 is 14131357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39012516 + 36300625 = 6246^2 + 6025^2 .

It is an emirp because it is prime and its reverse (14131357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75313141 - 213 = 75304949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75313181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37656570 + 37656571.

It is an arithmetic number, because the mean of its divisors is an integer number (37656571).

Almost surely, 275313141 is an apocalyptic number.

It is an amenable number.

75313141 is a deficient number, since it is larger than the sum of its proper divisors (1).

75313141 is an equidigital number, since it uses as much as digits as its factorization.

75313141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 25.

The square root of 75313141 is about 8678.3144100684. The cubic root of 75313141 is about 422.3024362553.

Adding to 75313141 its reverse (14131357), we get a palindrome (89444498).

The spelling of 75313141 in words is "seventy-five million, three hundred thirteen thousand, one hundred forty-one".