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38457673 is a prime number
BaseRepresentation
bin1001001010110…
…1000101001001
32200100212000021
42102231011021
534321121143
63452140441
7644612332
oct222550511
980325007
1038457673
111a787901
1210a67721
137c76827
145171289
153599ced
hex24ad149

38457673 has 2 divisors, whose sum is σ = 38457674. Its totient is φ = 38457672.

The previous prime is 38457667. The next prime is 38457677. The reversal of 38457673 is 37675483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38044224 + 413449 = 6168^2 + 643^2 .

It is an emirp because it is prime and its reverse (37675483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38457673 - 221 = 36360521 is a prime.

It is a super-2 number, since 2×384576732 = 2957985225149858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38457677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19228836 + 19228837.

It is an arithmetic number, because the mean of its divisors is an integer number (19228837).

Almost surely, 238457673 is an apocalyptic number.

It is an amenable number.

38457673 is a deficient number, since it is larger than the sum of its proper divisors (1).

38457673 is an equidigital number, since it uses as much as digits as its factorization.

38457673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 38457673 is about 6201.4250781574. The cubic root of 38457673 is about 337.5418819538.

The spelling of 38457673 in words is "thirty-eight million, four hundred fifty-seven thousand, six hundred seventy-three".