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5187043 = 24121523
BaseRepresentation
bin10011110010010111100011
3100202112021201
4103302113203
52311441133
6303102031
762042401
oct23622743
910675251
105187043
112a23114
1218a1917
1310c7c74
14990471
156c6d7d
hex4f25e3

5187043 has 4 divisors (see below), whose sum is σ = 5208808. Its totient is φ = 5165280.

The previous prime is 5187011. The next prime is 5187089. The reversal of 5187043 is 3407815.

5187043 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 an emirpimes, since its reverse is a distinct semiprime: 3407815 = 5681563.

It is a cyclic number.

It is not a de Polignac number, because 5187043 - 25 = 5187011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5107043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10521 + ... + 11002.

It is an arithmetic number, because the mean of its divisors is an integer number (1302202).

Almost surely, 25187043 is an apocalyptic number.

5187043 is a deficient number, since it is larger than the sum of its proper divisors (21765).

5187043 is a wasteful number, since it uses less digits than its factorization.

5187043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21764.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5187043 is about 2277.5080680428. The cubic root of 5187043 is about 173.1038057439.

The spelling of 5187043 in words is "five million, one hundred eighty-seven thousand, forty-three".

Divisors: 1 241 21523 5187043