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5187489 = 32375181
BaseRepresentation
bin10011110010011110100001
3100202112220020
4103302132201
52311444424
6303104053
762043606
oct23623641
910675806
105187489
112a2348a
1218a2029
1310c8228
149906ad
156c7079
hex4f27a1

5187489 has 8 divisors (see below), whose sum is σ = 7217472. Its totient is φ = 3307920.

The previous prime is 5187487. The next prime is 5187503. The reversal of 5187489 is 9847815.

5187489 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5187489 - 21 = 5187487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5187489.

It is not an unprimeable number, because it can be changed into a prime (5187487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37522 + ... + 37659.

It is an arithmetic number, because the mean of its divisors is an integer number (902184).

Almost surely, 25187489 is an apocalyptic number.

It is an amenable number.

5187489 is a deficient number, since it is larger than the sum of its proper divisors (2029983).

5187489 is a wasteful number, since it uses less digits than its factorization.

5187489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75207.

The product of its digits is 80640, while the sum is 42.

The square root of 5187489 is about 2277.6059799711. The cubic root of 5187489 is about 173.1087669575.

The spelling of 5187489 in words is "five million, one hundred eighty-seven thousand, four hundred eighty-nine".

Divisors: 1 3 23 69 75181 225543 1729163 5187489