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275487013 is a prime number
BaseRepresentation
bin10000011010111…
…001100100100101
3201012101012010201
4100122321210211
51031011041023
643200350501
76553413064
oct2032714445
9635335121
10275487013
1113156151a
1278315431
13450c7489
14288321db
15192babad
hex106b9925

275487013 has 2 divisors, whose sum is σ = 275487014. Its totient is φ = 275487012.

The previous prime is 275487001. The next prime is 275487067. The reversal of 275487013 is 310784572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159213924 + 116273089 = 12618^2 + 10783^2 .

It is a cyclic number.

It is not a de Polignac number, because 275487013 - 29 = 275486501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275487083) 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, 137743506 + 137743507.

It is an arithmetic number, because the mean of its divisors is an integer number (137743507).

Almost surely, 2275487013 is an apocalyptic number.

It is an amenable number.

275487013 is a deficient number, since it is larger than the sum of its proper divisors (1).

275487013 is an equidigital number, since it uses as much as digits as its factorization.

275487013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 275487013 is about 16597.8014507946. The cubic root of 275487013 is about 650.6793788190.

The spelling of 275487013 in words is "two hundred seventy-five million, four hundred eighty-seven thousand, thirteen".