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132308261 is a prime number
BaseRepresentation
bin1111110001011…
…01110100100101
3100012221221210222
413320231310211
5232332331021
621043454125
73164413241
oct770556445
9305857728
10132308261
1168759178
1238387345
1321546317
1413801421
15b9376ab
hex7e2dd25

132308261 has 2 divisors, whose sum is σ = 132308262. Its totient is φ = 132308260.

The previous prime is 132308257. The next prime is 132308303. The reversal of 132308261 is 162803231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78872161 + 53436100 = 8881^2 + 7310^2 .

It is an emirp because it is prime and its reverse (162803231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132308261 - 22 = 132308257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 132308261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132308251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66154130 + 66154131.

It is an arithmetic number, because the mean of its divisors is an integer number (66154131).

Almost surely, 2132308261 is an apocalyptic number.

It is an amenable number.

132308261 is a deficient number, since it is larger than the sum of its proper divisors (1).

132308261 is an equidigital number, since it uses as much as digits as its factorization.

132308261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 132308261 is about 11502.5328080384. The cubic root of 132308261 is about 509.5603811225.

The spelling of 132308261 in words is "one hundred thirty-two million, three hundred eight thousand, two hundred sixty-one".