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38260381 is a prime number
BaseRepresentation
bin1001000111110…
…0111010011101
32122222211101011
42101330322131
534243313011
63444015221
7643131205
oct221747235
978884334
1038260381
111a662655
1210991511
137c07aa3
14511d405
15355b621
hex247ce9d

38260381 has 2 divisors, whose sum is σ = 38260382. Its totient is φ = 38260380.

The previous prime is 38260373. The next prime is 38260399. The reversal of 38260381 is 18306283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29528356 + 8732025 = 5434^2 + 2955^2 .

It is a cyclic number.

It is not a de Polignac number, because 38260381 - 23 = 38260373 is a prime.

It is a super-2 number, since 2×382603812 = 2927713508530322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38269381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19130190 + 19130191.

It is an arithmetic number, because the mean of its divisors is an integer number (19130191).

Almost surely, 238260381 is an apocalyptic number.

It is an amenable number.

38260381 is a deficient number, since it is larger than the sum of its proper divisors (1).

38260381 is an equidigital number, since it uses as much as digits as its factorization.

38260381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 38260381 is about 6185.4976355989. The cubic root of 38260381 is about 336.9636833603.

The spelling of 38260381 in words is "thirty-eight million, two hundred sixty thousand, three hundred eighty-one".