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38700481 is a prime number
BaseRepresentation
bin1001001110100…
…0010111000001
32200211012002011
42103220113001
534401403411
63501252521
7646643251
oct223502701
980735064
1038700481
111a933276
1210b64141
1380301c1
1451d5961
1535e6c21
hex24e85c1

38700481 has 2 divisors, whose sum is σ = 38700482. Its totient is φ = 38700480.

The previous prime is 38700479. The next prime is 38700521. The reversal of 38700481 is 18400783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 4769856 = 5825^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 38700481 - 21 = 38700479 is a prime.

It is a super-2 number, since 2×387004812 = 2995454459262722, which contains 22 as substring.

Together with 38700479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38700451) 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, 19350240 + 19350241.

It is an arithmetic number, because the mean of its divisors is an integer number (19350241).

Almost surely, 238700481 is an apocalyptic number.

It is an amenable number.

38700481 is a deficient number, since it is larger than the sum of its proper divisors (1).

38700481 is an equidigital number, since it uses as much as digits as its factorization.

38700481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 38700481 is about 6220.9710656778. The cubic root of 38700481 is about 338.2507650897.

The spelling of 38700481 in words is "thirty-eight million, seven hundred thousand, four hundred eighty-one".