Search a number
-
+
190671307 is a prime number
BaseRepresentation
bin10110101110101…
…10100111001011
3111021210002212021
423113112213023
5342302440212
630530425311
74503452011
oct1327264713
9437702767
10190671307
11986a11a2
1253a32237
133066c178
141b4748b1
1511b15307
hexb5d69cb

190671307 has 2 divisors, whose sum is σ = 190671308. Its totient is φ = 190671306.

The previous prime is 190671287. The next prime is 190671329. The reversal of 190671307 is 703176091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (703176091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190671307 - 219 = 190147019 is a prime.

It is not a weakly prime, because it can be changed into another prime (190671367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95335653 + 95335654.

It is an arithmetic number, because the mean of its divisors is an integer number (95335654).

Almost surely, 2190671307 is an apocalyptic number.

190671307 is a deficient number, since it is larger than the sum of its proper divisors (1).

190671307 is an equidigital number, since it uses as much as digits as its factorization.

190671307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 190671307 is about 13808.3781451697. The cubic root of 190671307 is about 575.5659778177.

The spelling of 190671307 in words is "one hundred ninety million, six hundred seventy-one thousand, three hundred seven".