[go: up one dir, main page]

Search a number
-
+
622170137 is a prime number
BaseRepresentation
bin100101000101011…
…001000000011001
31121100201111222102
4211011121000121
52233233421022
6141423133145
721263234051
oct4505310031
91540644872
10622170137
1129a2206a6
121544441b5
139bb8ba14
145c8b8561
153994ba92
hex25159019

622170137 has 2 divisors, whose sum is σ = 622170138. Its totient is φ = 622170136.

The previous prime is 622170103. The next prime is 622170149. The reversal of 622170137 is 731071226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357815056 + 264355081 = 18916^2 + 16259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-622170137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622170187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311085068 + 311085069.

It is an arithmetic number, because the mean of its divisors is an integer number (311085069).

Almost surely, 2622170137 is an apocalyptic number.

It is an amenable number.

622170137 is a deficient number, since it is larger than the sum of its proper divisors (1).

622170137 is an equidigital number, since it uses as much as digits as its factorization.

622170137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 622170137 is about 24943.3385295553. The cubic root of 622170137 is about 853.6956214994.

The spelling of 622170137 in words is "six hundred twenty-two million, one hundred seventy thousand, one hundred thirty-seven".