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39272269 is a prime number
BaseRepresentation
bin1001010111001…
…1111101001101
32201220020102111
42111303331031
540023203034
63521424021
7654544261
oct225637515
981806374
1039272269
1120193923
121119b011
1381a053a
1453040a1
1536ab364
hex2573f4d

39272269 has 2 divisors, whose sum is σ = 39272270. Its totient is φ = 39272268.

The previous prime is 39272267. The next prime is 39272291. The reversal of 39272269 is 96227293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 372100 = 6237^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 39272269 - 21 = 39272267 is a prime.

It is a super-2 number, since 2×392722692 = 3084622224816722, which contains 22 as substring.

Together with 39272267, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39272267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19636134 + 19636135.

It is an arithmetic number, because the mean of its divisors is an integer number (19636135).

Almost surely, 239272269 is an apocalyptic number.

It is an amenable number.

39272269 is a deficient number, since it is larger than the sum of its proper divisors (1).

39272269 is an equidigital number, since it uses as much as digits as its factorization.

39272269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 39272269 is about 6266.7590507375. The cubic root of 39272269 is about 339.9084788268.

The spelling of 39272269 in words is "thirty-nine million, two hundred seventy-two thousand, two hundred sixty-nine".