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39123269 is a prime number
BaseRepresentation
bin1001010100111…
…1100101000101
32201121200000222
42111033211011
540003421034
63514314125
7653354003
oct225174505
981550028
1039123269
11200a1989
1211128945
13814a783
1452a5a73
15367c12e
hex254f945

39123269 has 2 divisors, whose sum is σ = 39123270. Its totient is φ = 39123268.

The previous prime is 39123251. The next prime is 39123311. The reversal of 39123269 is 96232193.

39123269 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., 23639044 + 15484225 = 4862^2 + 3935^2 .

It is a cyclic number.

It is not a de Polignac number, because 39123269 - 28 = 39123013 is a prime.

It is a super-2 number, since 2×391232692 = 3061260354492722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39123229) 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, 19561634 + 19561635.

It is an arithmetic number, because the mean of its divisors is an integer number (19561635).

Almost surely, 239123269 is an apocalyptic number.

It is an amenable number.

39123269 is a deficient number, since it is larger than the sum of its proper divisors (1).

39123269 is an equidigital number, since it uses as much as digits as its factorization.

39123269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 39123269 is about 6254.8596307191. The cubic root of 39123269 is about 339.4780601863.

The spelling of 39123269 in words is "thirty-nine million, one hundred twenty-three thousand, two hundred sixty-nine".