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48493789 is a prime number
BaseRepresentation
bin1011100011111…
…1010011011101
310101020201222021
42320333103131
544403300124
64451220141
71126122211
oct270772335
9111221867
1048493789
1125412113
12142a7651
13a07b966
146624941
1543cd7e4
hex2e3f4dd

48493789 has 2 divisors, whose sum is σ = 48493790. Its totient is φ = 48493788.

The previous prime is 48493787. The next prime is 48493793. The reversal of 48493789 is 98739484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35497764 + 12996025 = 5958^2 + 3605^2 .

It is a cyclic number.

It is not a de Polignac number, because 48493789 - 21 = 48493787 is a prime.

Together with 48493787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48493787) 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, 24246894 + 24246895.

It is an arithmetic number, because the mean of its divisors is an integer number (24246895).

Almost surely, 248493789 is an apocalyptic number.

It is an amenable number.

48493789 is a deficient number, since it is larger than the sum of its proper divisors (1).

48493789 is an equidigital number, since it uses as much as digits as its factorization.

48493789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 48493789 is about 6963.7482005024. The cubic root of 48493789 is about 364.6660835542. Note that the first 3 decimals are identical.

The spelling of 48493789 in words is "forty-eight million, four hundred ninety-three thousand, seven hundred eighty-nine".