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132531979 is a prime number
BaseRepresentation
bin1111110011001…
…00011100001011
3100020101022200211
413321210130023
5232412010404
621052341551
73166334416
oct771443413
9306338624
10132531979
11688a1268
12384748b7
13215c40b8
141385cb7d
15b97db04
hex7e6470b

132531979 has 2 divisors, whose sum is σ = 132531980. Its totient is φ = 132531978.

The previous prime is 132531929. The next prime is 132531989. The reversal of 132531979 is 979135231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132531979 - 225 = 98977547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132531929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66265989 + 66265990.

It is an arithmetic number, because the mean of its divisors is an integer number (66265990).

Almost surely, 2132531979 is an apocalyptic number.

132531979 is a deficient number, since it is larger than the sum of its proper divisors (1).

132531979 is an equidigital number, since it uses as much as digits as its factorization.

132531979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 132531979 is about 11512.2534284127. The cubic root of 132531979 is about 509.8474219981.

The spelling of 132531979 in words is "one hundred thirty-two million, five hundred thirty-one thousand, nine hundred seventy-nine".