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48115709 is a prime number
BaseRepresentation
bin1011011110001…
…0111111111101
310100112112100022
42313202333331
544304200314
64435141525
71122656015
oct267427775
9110475308
1048115709
1125184054
12141448a5
139c78845
146566c45
15435678e
hex2de2ffd

48115709 has 2 divisors, whose sum is σ = 48115710. Its totient is φ = 48115708.

The previous prime is 48115703. The next prime is 48115721. The reversal of 48115709 is 90751184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47265625 + 850084 = 6875^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 48115709 - 220 = 47067133 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 (48115703) 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, 24057854 + 24057855.

It is an arithmetic number, because the mean of its divisors is an integer number (24057855).

Almost surely, 248115709 is an apocalyptic number.

It is an amenable number.

48115709 is a deficient number, since it is larger than the sum of its proper divisors (1).

48115709 is an equidigital number, since it uses as much as digits as its factorization.

48115709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 48115709 is about 6936.5487816349. The cubic root of 48115709 is about 363.7159081270.

The spelling of 48115709 in words is "forty-eight million, one hundred fifteen thousand, seven hundred nine".