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39132869 is a prime number
BaseRepresentation
bin1001010101000…
…1111011000101
32201122011012112
42111101323011
540004222434
63514430405
7653423666
oct225217305
981564175
1039132869
11200a9116
1211132405
138151c59
1452a936d
15367edce
hex2551ec5

39132869 has 2 divisors, whose sum is σ = 39132870. Its totient is φ = 39132868.

The previous prime is 39132859. The next prime is 39132889. The reversal of 39132869 is 96823193.

39132869 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., 29757025 + 9375844 = 5455^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 39132869 - 224 = 22355653 is a prime.

It is a super-2 number, since 2×391328692 = 3062762872342322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39132829) 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, 19566434 + 19566435.

It is an arithmetic number, because the mean of its divisors is an integer number (19566435).

Almost surely, 239132869 is an apocalyptic number.

It is an amenable number.

39132869 is a deficient number, since it is larger than the sum of its proper divisors (1).

39132869 is an equidigital number, since it uses as much as digits as its factorization.

39132869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 39132869 is about 6255.6269869614. The cubic root of 39132869 is about 339.5058247616.

The spelling of 39132869 in words is "thirty-nine million, one hundred thirty-two thousand, eight hundred sixty-nine".