Search a number
-
+
162084109 = 1114734919
BaseRepresentation
bin10011010100100…
…11010100001101
3102021222201121011
421222103110031
5312443142414
624030005221
74005456265
oct1152232415
9367881534
10162084109
1183546210
1246346811
1327770275
14177527a5
15e369dc4
hex9a9350d

162084109 has 4 divisors (see below), whose sum is σ = 176819040. Its totient is φ = 147349180.

The previous prime is 162084101. The next prime is 162084113. The reversal of 162084109 is 901480261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901480261 = 1181952751.

It is not a de Polignac number, because 162084109 - 23 = 162084101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162084101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7367449 + ... + 7367470.

It is an arithmetic number, because the mean of its divisors is an integer number (44204760).

Almost surely, 2162084109 is an apocalyptic number.

It is an amenable number.

162084109 is a deficient number, since it is larger than the sum of its proper divisors (14734931).

162084109 is a wasteful number, since it uses less digits than its factorization.

162084109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14734930.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 162084109 is about 12731.2257461723. The cubic root of 162084109 is about 545.2305048578.

The spelling of 162084109 in words is "one hundred sixty-two million, eighty-four thousand, one hundred nine".

Divisors: 1 11 14734919 162084109