Search a number
-
+
190814837 is a prime number
BaseRepresentation
bin10110101111110…
…01101001110101
3111022001101202012
423113321221311
5342322033322
630533454005
74504620323
oct1327715165
9438041665
10190814837
119878a014
1253aa1305
13306bc5b5
141b4b0d13
1511b42ae2
hexb5f9a75

190814837 has 2 divisors, whose sum is σ = 190814838. Its totient is φ = 190814836.

The previous prime is 190814807. The next prime is 190814839. The reversal of 190814837 is 738418091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137217796 + 53597041 = 11714^2 + 7321^2 .

It is a cyclic number.

It is not a de Polignac number, because 190814837 - 218 = 190552693 is a prime.

Together with 190814839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 190814794 and 190814803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190814839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95407418 + 95407419.

It is an arithmetic number, because the mean of its divisors is an integer number (95407419).

Almost surely, 2190814837 is an apocalyptic number.

It is an amenable number.

190814837 is a deficient number, since it is larger than the sum of its proper divisors (1).

190814837 is an equidigital number, since it uses as much as digits as its factorization.

190814837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 190814837 is about 13813.5743745057. The cubic root of 190814837 is about 575.7103628783.

The spelling of 190814837 in words is "one hundred ninety million, eight hundred fourteen thousand, eight hundred thirty-seven".