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5000181 = 31666727
BaseRepresentation
bin10011000100101111110101
3100102000221220
4103010233311
52240001211
6255100553
760333534
oct23045765
910360856
105000181
11290578a
121811759
131060bb4
1494231b
1568b806
hex4c4bf5

5000181 has 4 divisors (see below), whose sum is σ = 6666912. Its totient is φ = 3333452.

The previous prime is 5000167. The next prime is 5000197. The reversal of 5000181 is 1810005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5000181 - 219 = 4475893 is a prime.

It is a super-2 number, since 2×50001812 = 50003620065522, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5000181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000101) 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 in 3 ways as a sum of consecutive naturals, for example, 833361 + ... + 833366.

It is an arithmetic number, because the mean of its divisors is an integer number (1666728).

Almost surely, 25000181 is an apocalyptic number.

It is an amenable number.

5000181 is a deficient number, since it is larger than the sum of its proper divisors (1666731).

5000181 is a wasteful number, since it uses less digits than its factorization.

5000181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666730.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 5000181 is about 2236.1084499639. The cubic root of 5000181 is about 170.9996580137. Note that the first 3 decimals are identical.

Adding to 5000181 its reverse (1810005), we get a palindrome (6810186).

The spelling of 5000181 in words is "five million, one hundred eighty-one", and thus it is an aban number.

Divisors: 1 3 1666727 5000181