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5038981 is a prime number
BaseRepresentation
bin10011001110001110000101
3100111000011221
4103032032011
52242221411
6300000341
760554623
oct23161605
910430157
105038981
112931952
1218300b1
13107575c
14952513
15698071
hex4ce385

5038981 has 2 divisors, whose sum is σ = 5038982. Its totient is φ = 5038980.

The previous prime is 5038973. The next prime is 5039017. The reversal of 5038981 is 1898305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 16900 = 2241^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 5038981 - 23 = 5038973 is a prime.

It is a super-2 number, since 2×50389812 = 50782659036722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5038921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2519490 + 2519491.

It is an arithmetic number, because the mean of its divisors is an integer number (2519491).

Almost surely, 25038981 is an apocalyptic number.

It is an amenable number.

5038981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5038981 is an equidigital number, since it uses as much as digits as its factorization.

5038981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 5038981 is about 2244.7674712540. The cubic root of 5038981 is about 171.4408219751.

The spelling of 5038981 in words is "five million, thirty-eight thousand, nine hundred eighty-one".