Search a number
-
+
5487729 = 313373803
BaseRepresentation
bin10100111011110001110001
3101022210202020
4110323301301
52401101404
6313342053
764434132
oct24736161
911283666
105487729
113109015
121a07929
1311a1aa0
14a2bc89
15735ed9
hex53bc71

5487729 has 16 divisors (see below), whose sum is σ = 8094912. Its totient is φ = 3284928.

The previous prime is 5487707. The next prime is 5487761. The reversal of 5487729 is 9277845.

It is not a de Polignac number, because 5487729 - 25 = 5487697 is a prime.

5487729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5487799) 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 15 ways as a sum of consecutive naturals, for example, 459 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (505932).

Almost surely, 25487729 is an apocalyptic number.

It is an amenable number.

5487729 is a deficient number, since it is larger than the sum of its proper divisors (2607183).

5487729 is a wasteful number, since it uses less digits than its factorization.

5487729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856.

The product of its digits is 141120, while the sum is 42.

The square root of 5487729 is about 2342.5902330540. The cubic root of 5487729 is about 176.3860435480.

It can be divided in two parts, 5487 and 729, that added together give a triangular number (6216 = T111).

The spelling of 5487729 in words is "five million, four hundred eighty-seven thousand, seven hundred twenty-nine".

Divisors: 1 3 13 37 39 111 481 1443 3803 11409 49439 140711 148317 422133 1829243 5487729