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5018731 is a prime number
BaseRepresentation
bin10011001001010001101011
3100102222101221
4103021101223
52241044411
6255322511
760441604
oct23112153
910388357
105018731
112918713
121820437
131069483
14948dab
15692071
hex4c946b

5018731 has 2 divisors, whose sum is σ = 5018732. Its totient is φ = 5018730.

The previous prime is 5018701. The next prime is 5018737. The reversal of 5018731 is 1378105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5018731 - 29 = 5018219 is a prime.

It is a super-2 number, since 2×50187312 = 50375321700722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5018696 and 5018705.

It is not a weakly prime, because it can be changed into another prime (5018737) 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, 2509365 + 2509366.

It is an arithmetic number, because the mean of its divisors is an integer number (2509366).

Almost surely, 25018731 is an apocalyptic number.

5018731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5018731 is an equidigital number, since it uses as much as digits as its factorization.

5018731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 5018731 is about 2240.2524411325. The cubic root of 5018731 is about 171.2108589751.

It can be divided in two parts, 50 and 18731, that added together give a palindrome (18781).

The spelling of 5018731 in words is "five million, eighteen thousand, seven hundred thirty-one".