Search a number
-
+
16145047 is a prime number
BaseRepresentation
bin111101100101…
…101010010111
31010101020211201
4331211222113
513113120142
61334013331
7254142052
oct75455227
933336751
1016145047
119128016
1254a7247
1334638a9
142203a99
15163dab7
hexf65a97

16145047 has 2 divisors, whose sum is σ = 16145048. Its totient is φ = 16145046.

The previous prime is 16145033. The next prime is 16145093. The reversal of 16145047 is 74054161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16145047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16145027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072523 + 8072524.

It is an arithmetic number, because the mean of its divisors is an integer number (8072524).

Almost surely, 216145047 is an apocalyptic number.

16145047 is a deficient number, since it is larger than the sum of its proper divisors (1).

16145047 is an equidigital number, since it uses as much as digits as its factorization.

16145047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 16145047 is about 4018.0899691271. The cubic root of 16145047 is about 252.7433695771.

The spelling of 16145047 in words is "sixteen million, one hundred forty-five thousand, forty-seven".