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5187345 = 35345823
BaseRepresentation
bin10011110010011100010001
3100202112200220
4103302130101
52311443340
6303103253
762043312
oct23623421
910675626
105187345
112a23369
1218a1b29
1310c8147
14990609
156c6ed0
hex4f2711

5187345 has 8 divisors (see below), whose sum is σ = 8299776. Its totient is φ = 2766576.

The previous prime is 5187313. The next prime is 5187353. The reversal of 5187345 is 5437815.

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

It is not a de Polignac number, because 5187345 - 25 = 5187313 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 172897 + ... + 172926.

It is an arithmetic number, because the mean of its divisors is an integer number (1037472).

Almost surely, 25187345 is an apocalyptic number.

It is an amenable number.

5187345 is a deficient number, since it is larger than the sum of its proper divisors (3112431).

5187345 is a wasteful number, since it uses less digits than its factorization.

5187345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345831.

The product of its digits is 16800, while the sum is 33.

The square root of 5187345 is about 2277.5743676113. The cubic root of 5187345 is about 173.1071651618.

The spelling of 5187345 in words is "five million, one hundred eighty-seven thousand, three hundred forty-five".

Divisors: 1 3 5 15 345823 1037469 1729115 5187345