Search a number
-
+
8493139 is a prime number
BaseRepresentation
bin100000011001…
…100001010011
3120222111101201
4200121201103
54133240024
6502012031
7132122224
oct40314123
916874351
108493139
114881026
122a17017
1319b4a35
1411b124b
15b2b744
hex819853

8493139 has 2 divisors, whose sum is σ = 8493140. Its totient is φ = 8493138.

The previous prime is 8493127. The next prime is 8493151. The reversal of 8493139 is 9313948.

It is a balanced prime because it is at equal distance from previous prime (8493127) and next prime (8493151).

It is a cyclic number.

It is not a de Polignac number, because 8493139 - 215 = 8460371 is a prime.

It is a super-3 number, since 3×84931393 (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8493098 and 8493107.

It is not a weakly prime, because it can be changed into another prime (8493179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246569 + 4246570.

It is an arithmetic number, because the mean of its divisors is an integer number (4246570).

Almost surely, 28493139 is an apocalyptic number.

8493139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8493139 is an equidigital number, since it uses as much as digits as its factorization.

8493139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 8493139 is about 2914.2990580927. The cubic root of 8493139 is about 204.0278300492.

The spelling of 8493139 in words is "eight million, four hundred ninety-three thousand, one hundred thirty-nine".