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38154133 is a prime number
BaseRepresentation
bin1001000110001…
…0111110010101
32122210102122001
42101202332111
534231413013
63441435301
7642206353
oct221427625
978712561
1038154133
111a59a846
121093bb31
137b9b614
1450d27d3
153539ddd
hex2462f95

38154133 has 2 divisors, whose sum is σ = 38154134. Its totient is φ = 38154132.

The previous prime is 38154121. The next prime is 38154139. The reversal of 38154133 is 33145183.

38154133 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., 24780484 + 13373649 = 4978^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 38154133 - 25 = 38154101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38154139) 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, 19077066 + 19077067.

It is an arithmetic number, because the mean of its divisors is an integer number (19077067).

Almost surely, 238154133 is an apocalyptic number.

It is an amenable number.

38154133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38154133 is an equidigital number, since it uses as much as digits as its factorization.

38154133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 38154133 is about 6176.9031884918. The cubic root of 38154133 is about 336.6514813049.

The spelling of 38154133 in words is "thirty-eight million, one hundred fifty-four thousand, one hundred thirty-three".