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38652557 is a prime number
BaseRepresentation
bin1001001101110…
…0101010001101
32200201202100012
42103130222031
534343340212
63500243005
7646353446
oct223345215
980652305
1038652557
111a900269
1210b40465
138014448
1451c22cd
1535d7922
hex24dca8d

38652557 has 2 divisors, whose sum is σ = 38652558. Its totient is φ = 38652556.

The previous prime is 38652547. The next prime is 38652623. The reversal of 38652557 is 75525683.

38652557 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., 21104836 + 17547721 = 4594^2 + 4189^2 .

It is a cyclic number.

It is not a de Polignac number, because 38652557 - 24 = 38652541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38652547) 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, 19326278 + 19326279.

It is an arithmetic number, because the mean of its divisors is an integer number (19326279).

Almost surely, 238652557 is an apocalyptic number.

It is an amenable number.

38652557 is a deficient number, since it is larger than the sum of its proper divisors (1).

38652557 is an equidigital number, since it uses as much as digits as its factorization.

38652557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The square root of 38652557 is about 6217.1180622536. The cubic root of 38652557 is about 338.1110852968. Note that the first 3 decimals are identical.

The spelling of 38652557 in words is "thirty-eight million, six hundred fifty-two thousand, five hundred fifty-seven".