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5127861 = 31709287
BaseRepresentation
bin10011100011111010110101
3100122112002210
4103203322311
52303042421
6301524033
761405014
oct23437265
910575083
105127861
112992702
121873619
1310a704b
14976a7b
156b4576
hex4e3eb5

5127861 has 4 divisors (see below), whose sum is σ = 6837152. Its totient is φ = 3418572.

The previous prime is 5127839. The next prime is 5127869. The reversal of 5127861 is 1687215.

5127861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 5127861 - 26 = 5127797 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854641 + ... + 854646.

It is an arithmetic number, because the mean of its divisors is an integer number (1709288).

Almost surely, 25127861 is an apocalyptic number.

It is an amenable number.

5127861 is a deficient number, since it is larger than the sum of its proper divisors (1709291).

5127861 is a wasteful number, since it uses less digits than its factorization.

5127861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709290.

The product of its digits is 3360, while the sum is 30.

The square root of 5127861 is about 2264.4780855641. The cubic root of 5127861 is about 172.4429384885.

The spelling of 5127861 in words is "five million, one hundred twenty-seven thousand, eight hundred sixty-one".

Divisors: 1 3 1709287 5127861