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5000381 is a prime number
BaseRepresentation
bin10011000100110010111101
3100102001020022
4103010302331
52240003011
6255101525
760334241
oct23046275
910361208
105000381
112905951
1218118a5
131061009
14942421
1568b8db
hex4c4cbd

5000381 has 2 divisors, whose sum is σ = 5000382. Its totient is φ = 5000380.

The previous prime is 5000339. The next prime is 5000389. The reversal of 5000381 is 1830005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4884100 + 116281 = 2210^2 + 341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5000381 is a prime.

It is a super-2 number, since 2×50003812 = 50007620290322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5000389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500190 + 2500191.

It is an arithmetic number, because the mean of its divisors is an integer number (2500191).

Almost surely, 25000381 is an apocalyptic number.

It is an amenable number.

5000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000381 is an equidigital number, since it uses as much as digits as its factorization.

5000381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 5000381 is about 2236.1531700668. The cubic root of 5000381 is about 171.0019378963.

Adding to 5000381 its reverse (1830005), we get a palindrome (6830386).

The spelling of 5000381 in words is "five million, three hundred eighty-one", and thus it is an aban number.