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132105047 is a prime number
BaseRepresentation
bin1111101111111…
…00001101010111
3100012120122001112
413313330031113
5232304330142
621035245235
73162605624
oct767741527
9305518045
10132105047
116862a528
12382a981b
13214a4989
141378b34b
15b8e7382
hex7dfc357

132105047 has 2 divisors, whose sum is σ = 132105048. Its totient is φ = 132105046.

The previous prime is 132104969. The next prime is 132105053. The reversal of 132105047 is 740501231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132105047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132108047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66052523 + 66052524.

It is an arithmetic number, because the mean of its divisors is an integer number (66052524).

Almost surely, 2132105047 is an apocalyptic number.

132105047 is a deficient number, since it is larger than the sum of its proper divisors (1).

132105047 is an equidigital number, since it uses as much as digits as its factorization.

132105047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 132105047 is about 11493.6959677903. The cubic root of 132105047 is about 509.2993672793.

Adding to 132105047 its reverse (740501231), we get a palindrome (872606278).

The spelling of 132105047 in words is "one hundred thirty-two million, one hundred five thousand, forty-seven".