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132947173 is a prime number
BaseRepresentation
bin1111110110010…
…01110011100101
3100021011102020101
413323021303211
5233013302143
621105304101
73203014042
oct773116345
9307142211
10132947173
11690551a7
1238635031
132170b088
141392a1c9
15ba11b4d
hex7ec9ce5

132947173 has 2 divisors, whose sum is σ = 132947174. Its totient is φ = 132947172.

The previous prime is 132947167. The next prime is 132947207. The reversal of 132947173 is 371749231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131951169 + 996004 = 11487^2 + 998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132947173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132947273) 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 as a sum of consecutive naturals, namely, 66473586 + 66473587.

It is an arithmetic number, because the mean of its divisors is an integer number (66473587).

Almost surely, 2132947173 is an apocalyptic number.

It is an amenable number.

132947173 is a deficient number, since it is larger than the sum of its proper divisors (1).

132947173 is an equidigital number, since it uses as much as digits as its factorization.

132947173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 132947173 is about 11530.2720262793. The cubic root of 132947173 is about 510.3792808521.

The spelling of 132947173 in words is "one hundred thirty-two million, nine hundred forty-seven thousand, one hundred seventy-three".