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132449393 = 4131310321
BaseRepresentation
bin1111110010100…
…00010001110001
3100020020010102002
413321100101301
5232401340033
621050503345
73165541556
oct771202161
9306203362
10132449393
116884520a
1238434b55
132159562b
141383aa2d
15b9643e8
hex7e50471

132449393 has 8 divisors (see below), whose sum is σ = 136126536. Its totient is φ = 128793600.

The previous prime is 132449389. The next prime is 132449411. The reversal of 132449393 is 393944231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5841889 + 126607504 = 2417^2 + 11252^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132449393 - 22 = 132449389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132449593) 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 7 ways as a sum of consecutive naturals, for example, 7673 + ... + 17993.

It is an arithmetic number, because the mean of its divisors is an integer number (17015817).

Almost surely, 2132449393 is an apocalyptic number.

It is an amenable number.

132449393 is a deficient number, since it is larger than the sum of its proper divisors (3677143).

132449393 is a wasteful number, since it uses less digits than its factorization.

132449393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675.

The product of its digits is 69984, while the sum is 38.

The square root of 132449393 is about 11508.6659956747. The cubic root of 132449393 is about 509.7414978566.

The spelling of 132449393 in words is "one hundred thirty-two million, four hundred forty-nine thousand, three hundred ninety-three".

Divisors: 1 41 313 10321 12833 423161 3230473 132449393