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3728840029 is a prime number
BaseRepresentation
bin1101111001000001…
…1001010101011101
3100121212110200220021
43132100121111131
530114040340104
61414001552141
7161255421505
oct33620312535
910555420807
103728840029
111643918782
12880945651
134756b0925
1427532aa05
1516c561754
hexde41955d

3728840029 has 2 divisors, whose sum is σ = 3728840030. Its totient is φ = 3728840028.

The previous prime is 3728840021. The next prime is 3728840033. The reversal of 3728840029 is 9200488273.

It is a happy number.

3728840029 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2332696804 + 1396143225 = 48298^2 + 37365^2 .

It is a cyclic number.

It is not a de Polignac number, because 3728840029 - 23 = 3728840021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3728840021) 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, 1864420014 + 1864420015.

It is an arithmetic number, because the mean of its divisors is an integer number (1864420015).

Almost surely, 23728840029 is an apocalyptic number.

It is an amenable number.

3728840029 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728840029 is an equidigital number, since it uses as much as digits as its factorization.

3728840029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 3728840029 is about 61064.2287186205. The cubic root of 3728840029 is about 1550.6885638591.

The spelling of 3728840029 in words is "three billion, seven hundred twenty-eight million, eight hundred forty thousand, twenty-nine".