Search a number
-
+
141797861 is a prime number
BaseRepresentation
bin10000111001110…
…10100111100101
3100212211002002122
420130322213211
5242300012421
622023115325
73341155562
oct1034724745
9325732078
10141797861
117304a917
123b5a2b45
13234b977a
1414b91869
15c6ae2ab
hex873a9e5

141797861 has 2 divisors, whose sum is σ = 141797862. Its totient is φ = 141797860.

The previous prime is 141797857. The next prime is 141797879. The reversal of 141797861 is 168797141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141467236 + 330625 = 11894^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 141797861 - 22 = 141797857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141797881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70898930 + 70898931.

It is an arithmetic number, because the mean of its divisors is an integer number (70898931).

Almost surely, 2141797861 is an apocalyptic number.

It is an amenable number.

141797861 is a deficient number, since it is larger than the sum of its proper divisors (1).

141797861 is an equidigital number, since it uses as much as digits as its factorization.

141797861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 44.

The square root of 141797861 is about 11907.8907032270. The cubic root of 141797861 is about 521.4626730612.

The spelling of 141797861 in words is "one hundred forty-one million, seven hundred ninety-seven thousand, eight hundred sixty-one".