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48139841 is a prime number
BaseRepresentation
bin1011011110100…
…0111001000001
310100120202110002
42313220321001
544310433331
64435445345
71123116251
oct267507101
9110522402
1048139841
11251a01a2
1214156855
139c86819
146571961
15435d9cb
hex2de8e41

48139841 has 2 divisors, whose sum is σ = 48139842. Its totient is φ = 48139840.

The previous prime is 48139837. The next prime is 48139853. The reversal of 48139841 is 14893184.

48139841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 8386816 = 6305^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 48139841 - 22 = 48139837 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48139795 and 48139804.

It is not a weakly prime, because it can be changed into another prime (48139241) 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, 24069920 + 24069921.

It is an arithmetic number, because the mean of its divisors is an integer number (24069921).

Almost surely, 248139841 is an apocalyptic number.

It is an amenable number.

48139841 is a deficient number, since it is larger than the sum of its proper divisors (1).

48139841 is an equidigital number, since it uses as much as digits as its factorization.

48139841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 48139841 is about 6938.2880453322. The cubic root of 48139841 is about 363.7767041090.

The spelling of 48139841 in words is "forty-eight million, one hundred thirty-nine thousand, eight hundred forty-one".