Search a number
-
+
415222189 is a prime number
BaseRepresentation
bin11000101111111…
…100100110101101
31001221022110202121
4120233330212231
51322244102224
6105111352541
713201221214
oct3057744655
91057273677
10415222189
111a3422638
12b7082751
1368041105
143d20807b
15266bdbe4
hex18bfc9ad

415222189 has 2 divisors, whose sum is σ = 415222190. Its totient is φ = 415222188.

The previous prime is 415222187. The next prime is 415222237. The reversal of 415222189 is 981222514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408242025 + 6980164 = 20205^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 415222189 - 21 = 415222187 is a prime.

Together with 415222187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415222187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207611094 + 207611095.

It is an arithmetic number, because the mean of its divisors is an integer number (207611095).

Almost surely, 2415222189 is an apocalyptic number.

It is an amenable number.

415222189 is a deficient number, since it is larger than the sum of its proper divisors (1).

415222189 is an equidigital number, since it uses as much as digits as its factorization.

415222189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 415222189 is about 20377.0014722481. The cubic root of 415222189 is about 746.0366865689.

The spelling of 415222189 in words is "four hundred fifteen million, two hundred twenty-two thousand, one hundred eighty-nine".