Search a number
-
+
849133071 = 3331449373
BaseRepresentation
bin110010100111001…
…011111000001111
32012011210102121000
4302213023320033
53214334224241
6220131511343
730020340423
oct6247137017
92164712530
10849133071
113a634a276
121b8458553
13106bc6807
1480ab8b83
154e82eeb6
hex329cbe0f

849133071 has 8 divisors (see below), whose sum is σ = 1257974960. Its totient is φ = 566088696.

The previous prime is 849133063. The next prime is 849133099. The reversal of 849133071 is 170331948.

It is a happy number.

It is not a de Polignac number, because 849133071 - 23 = 849133063 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 (849135071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15724660 + ... + 15724713.

It is an arithmetic number, because the mean of its divisors is an integer number (157246870).

Almost surely, 2849133071 is an apocalyptic number.

849133071 is a deficient number, since it is larger than the sum of its proper divisors (408841889).

849133071 is a wasteful number, since it uses less digits than its factorization.

849133071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31449382 (or 31449376 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 849133071 is about 29139.8879716446. The cubic root of 849133071 is about 946.9460828118.

The spelling of 849133071 in words is "eight hundred forty-nine million, one hundred thirty-three thousand, seventy-one".

Divisors: 1 3 9 27 31449373 94348119 283044357 849133071