Search a number
-
+
2162485469 is a prime number
BaseRepresentation
bin1000000011100100…
…1110100011011101
312120201002122101102
42000321032203131
513412044013334
6554325322445
7104405552234
oct20071164335
95521078342
102162485469
11a0a737381
12504266425
13286028201
141672b3b1b
15c9cab67e
hex80e4e8dd

2162485469 has 2 divisors, whose sum is σ = 2162485470. Its totient is φ = 2162485468.

The previous prime is 2162485433. The next prime is 2162485483. The reversal of 2162485469 is 9645842612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1921770244 + 240715225 = 43838^2 + 15515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2162485469 is a prime.

It is a super-2 number, since 2×21624854692 = 9352686807272299922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162485499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081242734 + 1081242735.

It is an arithmetic number, because the mean of its divisors is an integer number (1081242735).

Almost surely, 22162485469 is an apocalyptic number.

It is an amenable number.

2162485469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162485469 is an equidigital number, since it uses as much as digits as its factorization.

2162485469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 2162485469 is about 46502.5318558033. The cubic root of 2162485469 is about 1293.1564369883.

The spelling of 2162485469 in words is "two billion, one hundred sixty-two million, four hundred eighty-five thousand, four hundred sixty-nine".