Search a number
-
+
5047839 = 3520773
BaseRepresentation
bin10011010000011000011111
3100111110100000
4103100120133
52243012324
6300105343
760622506
oct23203037
910443300
105047839
112938575
121835253
1310797b4
1495583d
1569a9c9
hex4d061f

5047839 has 12 divisors (see below), whose sum is σ = 7561736. Its totient is φ = 3365064.

The previous prime is 5047837. The next prime is 5047843. The reversal of 5047839 is 9387405.

It is not a de Polignac number, because 5047839 - 21 = 5047837 is a prime.

It is an Ulam 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 (5047831) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10144 + ... + 10629.

Almost surely, 25047839 is an apocalyptic number.

5047839 is a deficient number, since it is larger than the sum of its proper divisors (2513897).

5047839 is an equidigital number, since it uses as much as digits as its factorization.

5047839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20788 (or 20776 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 5047839 is about 2246.7396377863. The cubic root of 5047839 is about 171.5412214943.

It can be divided in two parts, 5047 and 839, that added together give a triangular number (5886 = T108).

The spelling of 5047839 in words is "five million, forty-seven thousand, eight hundred thirty-nine".

Divisors: 1 3 9 27 81 243 20773 62319 186957 560871 1682613 5047839