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152978041 is a prime number
BaseRepresentation
bin10010001111001…
…00001001111001
3101122212002102101
421013210021321
5303130244131
623102503401
73535202056
oct1107441171
9348762371
10152978041
1179396737
1243294b61
1325902568
141646202d
15d66bc61
hex91e4279

152978041 has 2 divisors, whose sum is σ = 152978042. Its totient is φ = 152978040.

The previous prime is 152978039. The next prime is 152978081. The reversal of 152978041 is 140879251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148962025 + 4016016 = 12205^2 + 2004^2 .

It is an emirp because it is prime and its reverse (140879251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152978041 - 21 = 152978039 is a prime.

Together with 152978039, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152978081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76489020 + 76489021.

It is an arithmetic number, because the mean of its divisors is an integer number (76489021).

Almost surely, 2152978041 is an apocalyptic number.

It is an amenable number.

152978041 is a deficient number, since it is larger than the sum of its proper divisors (1).

152978041 is an equidigital number, since it uses as much as digits as its factorization.

152978041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 152978041 is about 12368.4292050365. The cubic root of 152978041 is about 534.8225352527.

The spelling of 152978041 in words is "one hundred fifty-two million, nine hundred seventy-eight thousand, forty-one".