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48439289 is a prime number
BaseRepresentation
bin1011100011000…
…1111111111001
310101010222012202
42320301333321
544400024124
64450115545
71125504263
oct270617771
9111128182
1048439289
1125385178
121427bbb5
13a05cc02
14660cb33
1543bc5ae
hex2e31ff9

48439289 has 2 divisors, whose sum is σ = 48439290. Its totient is φ = 48439288.

The previous prime is 48439271. The next prime is 48439337. The reversal of 48439289 is 98293484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 2199289 = 6800^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 48439289 - 224 = 31662073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48439249) 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, 24219644 + 24219645.

It is an arithmetic number, because the mean of its divisors is an integer number (24219645).

Almost surely, 248439289 is an apocalyptic number.

It is an amenable number.

48439289 is a deficient number, since it is larger than the sum of its proper divisors (1).

48439289 is an equidigital number, since it uses as much as digits as its factorization.

48439289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 48439289 is about 6959.8339779049. The cubic root of 48439289 is about 364.5294217129.

The spelling of 48439289 in words is "forty-eight million, four hundred thirty-nine thousand, two hundred eighty-nine".