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38612657 is a prime number
BaseRepresentation
bin1001001101001…
…0111010110001
32200122201121102
42103102322301
534341101112
63455334145
7646126226
oct223227261
980581542
1038612657
111a883296
1210b21355
137ccc235
1451b194d
1535cabc2
hex24d2eb1

38612657 has 2 divisors, whose sum is σ = 38612658. Its totient is φ = 38612656.

The previous prime is 38612647. The next prime is 38612681. The reversal of 38612657 is 75621683.

38612657 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., 28398241 + 10214416 = 5329^2 + 3196^2 .

It is a cyclic number.

It is not a de Polignac number, because 38612657 - 210 = 38611633 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38612657.

It is not a weakly prime, because it can be changed into another prime (38612647) 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, 19306328 + 19306329.

It is an arithmetic number, because the mean of its divisors is an integer number (19306329).

Almost surely, 238612657 is an apocalyptic number.

It is an amenable number.

38612657 is a deficient number, since it is larger than the sum of its proper divisors (1).

38612657 is an equidigital number, since it uses as much as digits as its factorization.

38612657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 38612657 is about 6213.9083514323. The cubic root of 38612657 is about 337.9947042341.

The spelling of 38612657 in words is "thirty-eight million, six hundred twelve thousand, six hundred fifty-seven".