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5187497 = 7741071
BaseRepresentation
bin10011110010011110101001
3100202112220112
4103302132221
52311444442
6303104105
762043620
oct23623651
910675815
105187497
112a23497
1218a2035
1310c8233
149906b7
156c7082
hex4f27a9

5187497 has 4 divisors (see below), whose sum is σ = 5928576. Its totient is φ = 4446420.

The previous prime is 5187487. The next prime is 5187503. The reversal of 5187497 is 7947815.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7947815 = 51589563.

It is a cyclic number.

It is not a de Polignac number, because 5187497 - 218 = 4925353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5187487) 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, 370529 + ... + 370542.

It is an arithmetic number, because the mean of its divisors is an integer number (1482144).

Almost surely, 25187497 is an apocalyptic number.

It is an amenable number.

5187497 is a deficient number, since it is larger than the sum of its proper divisors (741079).

5187497 is an equidigital number, since it uses as much as digits as its factorization.

5187497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741078.

The product of its digits is 70560, while the sum is 41.

The square root of 5187497 is about 2277.6077362004. The cubic root of 5187497 is about 173.1088559453.

The spelling of 5187497 in words is "five million, one hundred eighty-seven thousand, four hundred ninety-seven".

Divisors: 1 7 741071 5187497