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5187331 = 7173061
BaseRepresentation
bin10011110010011100000011
3100202112200101
4103302130003
52311443311
6303103231
762043262
oct23623403
910675611
105187331
112a23356
1218a1b17
1310c8136
149905d9
156c6ec1
hex4f2703

5187331 has 4 divisors (see below), whose sum is σ = 5260464. Its totient is φ = 5114200.

The previous prime is 5187313. The next prime is 5187353. The reversal of 5187331 is 1337815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5187331 - 215 = 5154563 is a prime.

It is a super-2 number, since 2×51873312 = 53816805807122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5187331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187131) 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 in 3 ways as a sum of consecutive naturals, for example, 36460 + ... + 36601.

It is an arithmetic number, because the mean of its divisors is an integer number (1315116).

Almost surely, 25187331 is an apocalyptic number.

5187331 is a deficient number, since it is larger than the sum of its proper divisors (73133).

5187331 is an equidigital number, since it uses as much as digits as its factorization.

5187331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73132.

The product of its digits is 2520, while the sum is 28.

The square root of 5187331 is about 2277.5712941640. The cubic root of 5187331 is about 173.1070094301.

The spelling of 5187331 in words is "five million, one hundred eighty-seven thousand, three hundred thirty-one".

Divisors: 1 71 73061 5187331