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132531208 = 2373226937
BaseRepresentation
bin1111110011001…
…00010000001000
3100020101021122021
413321210100020
5232411444313
621052334224
73166332235
oct771442010
9306337567
10132531208
11688a0727
1238474374
13215c3944
141385c78c
15b97d78d
hex7e64408

132531208 has 16 divisors (see below), whose sum is σ = 251901180. Its totient is φ = 65357568.

The previous prime is 132531193. The next prime is 132531239. The reversal of 132531208 is 802135231.

It can be written as a sum of positive squares in 2 ways, for example, as 113678244 + 18852964 = 10662^2 + 4342^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112885 + ... + 114052.

Almost surely, 2132531208 is an apocalyptic number.

It is an amenable number.

132531208 is a deficient number, since it is larger than the sum of its proper divisors (119369972).

132531208 is a wasteful number, since it uses less digits than its factorization.

132531208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227016 (or 227012 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 132531208 is about 11512.2199423048. The cubic root of 132531208 is about 509.8464333231.

Adding to 132531208 its reverse (802135231), we get a palindrome (934666439).

The spelling of 132531208 in words is "one hundred thirty-two million, five hundred thirty-one thousand, two hundred eight".

Divisors: 1 2 4 8 73 146 292 584 226937 453874 907748 1815496 16566401 33132802 66265604 132531208