Search a number
-
+
18295141 is a prime number
BaseRepresentation
bin100010111001…
…0100101100101
31021102111012211
41011302211211
514140421031
61452043421
7311335414
oct105624545
937374184
1018295141
11a366457
126163571
133a37437
14260347b
151915bb1
hex1172965

18295141 has 2 divisors, whose sum is σ = 18295142. Its totient is φ = 18295140.

The previous prime is 18295127. The next prime is 18295159. The reversal of 18295141 is 14159281.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15880225 + 2414916 = 3985^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 18295141 - 29 = 18294629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18295171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9147570 + 9147571.

It is an arithmetic number, because the mean of its divisors is an integer number (9147571).

Almost surely, 218295141 is an apocalyptic number.

It is an amenable number.

18295141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18295141 is an equidigital number, since it uses as much as digits as its factorization.

18295141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 31.

The square root of 18295141 is about 4277.2819640515. The cubic root of 18295141 is about 263.4987667777.

The spelling of 18295141 in words is "eighteen million, two hundred ninety-five thousand, one hundred forty-one".