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5187145 = 57271427
BaseRepresentation
bin10011110010011001001001
3100202112102111
4103302121021
52311442040
6303102321
762042605
oct23623111
910675374
105187145
112a231a7
1218a19a1
1310c8022
14990505
156c6dea
hex4f2649

5187145 has 8 divisors (see below), whose sum is σ = 6237504. Its totient is φ = 4141104.

The previous prime is 5187139. The next prime is 5187151. The reversal of 5187145 is 5417815.

It is an interprime number because it is at equal distance from previous prime (5187139) and next prime (5187151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5187145 - 25 = 5187113 is a prime.

It is a super-3 number, since 3×51871453 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2922 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 25187145 is an apocalyptic number.

It is an amenable number.

5187145 is a deficient number, since it is larger than the sum of its proper divisors (1050359).

5187145 is a wasteful number, since it uses less digits than its factorization.

5187145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its digits is 5600, while the sum is 31.

The square root of 5187145 is about 2277.5304608281. The cubic root of 5187145 is about 173.1049403963.

The spelling of 5187145 in words is "five million, one hundred eighty-seven thousand, one hundred forty-five".

Divisors: 1 5 727 1427 3635 7135 1037429 5187145