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38700913 is a prime number
BaseRepresentation
bin1001001110100…
…0011101110001
32200211012200011
42103220131301
534401412123
63501254521
7646644436
oct223503561
980735604
1038700913
111a933629
1210b64441
138030464
1451d5b8d
1535e6e0d
hex24e8771

38700913 has 2 divisors, whose sum is σ = 38700914. Its totient is φ = 38700912.

The previous prime is 38700869. The next prime is 38700919. The reversal of 38700913 is 31900783.

38700913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25070049 + 13630864 = 5007^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 38700913 - 225 = 5146481 is a prime.

It is not a weakly prime, because it can be changed into another prime (38700919) 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, 19350456 + 19350457.

It is an arithmetic number, because the mean of its divisors is an integer number (19350457).

Almost surely, 238700913 is an apocalyptic number.

It is an amenable number.

38700913 is a deficient number, since it is larger than the sum of its proper divisors (1).

38700913 is an equidigital number, since it uses as much as digits as its factorization.

38700913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 38700913 is about 6221.0057868483. The cubic root of 38700913 is about 338.2520236769.

The spelling of 38700913 in words is "thirty-eight million, seven hundred thousand, nine hundred thirteen".