Search a number
-
+
5156231 is a prime number
BaseRepresentation
bin10011101010110110000111
3100200222000112
4103222312013
52304444411
6302303235
761553513
oct23526607
910628015
105156231
112a01a53
121887b1b
1310b6c32
14983143
156bcb8b
hex4ead87

5156231 has 2 divisors, whose sum is σ = 5156232. Its totient is φ = 5156230.

The previous prime is 5156227. The next prime is 5156237. The reversal of 5156231 is 1326515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5156231 - 22 = 5156227 is a prime.

It is a super-2 number, since 2×51562312 = 53173436250722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5156197 and 5156206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578115 + 2578116.

It is an arithmetic number, because the mean of its divisors is an integer number (2578116).

Almost surely, 25156231 is an apocalyptic number.

5156231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156231 is an equidigital number, since it uses as much as digits as its factorization.

5156231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 23.

The square root of 5156231 is about 2270.7335819070. The cubic root of 5156231 is about 172.7603685512.

The spelling of 5156231 in words is "five million, one hundred fifty-six thousand, two hundred thirty-one".