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39074489 is a prime number
BaseRepresentation
bin1001010100001…
…1101010111001
32201112012010022
42111003222321
540000340424
63513300225
7653061536
oct225035271
981465108
1039074489
1120069273
1211104675
1381314cc
145291d8d
15366c95e
hex2543ab9

39074489 has 2 divisors, whose sum is σ = 39074490. Its totient is φ = 39074488.

The previous prime is 39074473. The next prime is 39074501. The reversal of 39074489 is 98447093.

39074489 is digitally balanced in base 2, 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., 28783225 + 10291264 = 5365^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 39074489 - 24 = 39074473 is a prime.

It is a super-2 number, since 2×390744892 = 3053631381222242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (39074419) 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, 19537244 + 19537245.

It is an arithmetic number, because the mean of its divisors is an integer number (19537245).

Almost surely, 239074489 is an apocalyptic number.

It is an amenable number.

39074489 is a deficient number, since it is larger than the sum of its proper divisors (1).

39074489 is an equidigital number, since it uses as much as digits as its factorization.

39074489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 39074489 is about 6250.9590464184. The cubic root of 39074489 is about 339.3369112200.

The spelling of 39074489 in words is "thirty-nine million, seventy-four thousand, four hundred eighty-nine".