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5168749 is a prime number
BaseRepresentation
bin10011101101111001101101
3100201121012011
4103231321231
52310344444
6302441221
761635145
oct23557155
910647164
105168749
112a103a3
121893211
1310bc841
14987925
156c1734
hex4ede6d

5168749 has 2 divisors, whose sum is σ = 5168750. Its totient is φ = 5168748.

The previous prime is 5168743. The next prime is 5168753. The reversal of 5168749 is 9478615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 1671849 = 1870^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 5168749 - 25 = 5168717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5168743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584374 + 2584375.

It is an arithmetic number, because the mean of its divisors is an integer number (2584375).

Almost surely, 25168749 is an apocalyptic number.

It is an amenable number.

5168749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5168749 is an equidigital number, since it uses as much as digits as its factorization.

5168749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 5168749 is about 2273.4882889516. The cubic root of 5168749 is about 172.9000614496.

The spelling of 5168749 in words is "five million, one hundred sixty-eight thousand, seven hundred forty-nine".