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48745181 is a prime number
BaseRepresentation
bin1011100111110…
…0101011011101
310101201111211002
42321330223131
544434321211
64500440045
71131220142
oct271745335
9111644732
1048745181
1125573a81
12143a9025
13a139204
14668c3c9
15442d03b
hex2e7cadd

48745181 has 2 divisors, whose sum is σ = 48745182. Its totient is φ = 48745180.

The previous prime is 48745141. The next prime is 48745183. The reversal of 48745181 is 18154784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38019556 + 10725625 = 6166^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 48745181 - 218 = 48483037 is a prime.

It is a super-2 number, since 2×487451812 = 4752185341445522, which contains 22 as substring.

Together with 48745183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48745183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24372590 + 24372591.

It is an arithmetic number, because the mean of its divisors is an integer number (24372591).

Almost surely, 248745181 is an apocalyptic number.

It is an amenable number.

48745181 is a deficient number, since it is larger than the sum of its proper divisors (1).

48745181 is an equidigital number, since it uses as much as digits as its factorization.

48745181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 38.

The square root of 48745181 is about 6981.7749175980. The cubic root of 48745181 is about 365.2951412788.

The spelling of 48745181 in words is "forty-eight million, seven hundred forty-five thousand, one hundred eighty-one".