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38061409 is a prime number
BaseRepresentation
bin1001000100110…
…0010101100001
32122121201102211
42101030111201
534220431114
63435442121
7641342131
oct221142541
978551384
1038061409
111a537111
12108b6341
137b68359
1450aaac1
15351c6c4
hex244c561

38061409 has 2 divisors, whose sum is σ = 38061410. Its totient is φ = 38061408.

The previous prime is 38061349. The next prime is 38061421. The reversal of 38061409 is 90416083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 12780625 = 5028^2 + 3575^2 .

It is an emirp because it is prime and its reverse (90416083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38061409 - 211 = 38059361 is a prime.

It is not a weakly prime, because it can be changed into another prime (38061479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19030704 + 19030705.

It is an arithmetic number, because the mean of its divisors is an integer number (19030705).

Almost surely, 238061409 is an apocalyptic number.

It is an amenable number.

38061409 is a deficient number, since it is larger than the sum of its proper divisors (1).

38061409 is an equidigital number, since it uses as much as digits as its factorization.

38061409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 38061409 is about 6169.3929198909. The cubic root of 38061409 is about 336.3785445702.

The spelling of 38061409 in words is "thirty-eight million, sixty-one thousand, four hundred nine".