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132643849 = 1373913807
BaseRepresentation
bin1111110011111…
…11110000001001
3100020121000011011
413321333300021
5232424100344
621055003521
73200311522
oct771776011
9306530134
10132643849
1168968318
12385095a1
1321632cb0
141388b849
15b9a1d34
hex7e7fc09

132643849 has 8 divisors (see below), whose sum is σ = 143050880. Its totient is φ = 122265936.

The previous prime is 132643813. The next prime is 132643867. The reversal of 132643849 is 948346231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132643849 - 217 = 132512777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132643879) 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, 2704 + ... + 16510.

It is an arithmetic number, because the mean of its divisors is an integer number (17881360).

Almost surely, 2132643849 is an apocalyptic number.

It is an amenable number.

132643849 is a deficient number, since it is larger than the sum of its proper divisors (10407031).

132643849 is a wasteful number, since it uses less digits than its factorization.

132643849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14559.

The product of its digits is 124416, while the sum is 40.

The square root of 132643849 is about 11517.1111395176. Note that the first 4 decimals coincide. The cubic root of 132643849 is about 509.9908354114.

The spelling of 132643849 in words is "one hundred thirty-two million, six hundred forty-three thousand, eight hundred forty-nine".

Divisors: 1 13 739 9607 13807 179491 10203373 132643849