Search a number
-
+
886994161 is a prime number
BaseRepresentation
bin110100110111100…
…111010011110001
32021211000222020121
4310313213103301
53304032303121
6224003210241
730660216544
oct6467472361
92254028217
10886994161
11415759929
12209076981
131119c1921
1485b3285b
1552d0d141
hex34de74f1

886994161 has 2 divisors, whose sum is σ = 886994162. Its totient is φ = 886994160.

The previous prime is 886994131. The next prime is 886994177. The reversal of 886994161 is 161499688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855913536 + 31080625 = 29256^2 + 5575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-886994161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 886994099 and 886994108.

It is not a weakly prime, because it can be changed into another prime (886994131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443497080 + 443497081.

It is an arithmetic number, because the mean of its divisors is an integer number (443497081).

Almost surely, 2886994161 is an apocalyptic number.

It is an amenable number.

886994161 is a deficient number, since it is larger than the sum of its proper divisors (1).

886994161 is an equidigital number, since it uses as much as digits as its factorization.

886994161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 886994161 is about 29782.4471962933. The cubic root of 886994161 is about 960.8160599355.

The spelling of 886994161 in words is "eight hundred eighty-six million, nine hundred ninety-four thousand, one hundred sixty-one".