Search a number
-
+
5188749 = 33155793
BaseRepresentation
bin10011110010110010001101
3100202121121220
4103302302031
52312014444
6303113553
762050356
oct23626215
910677556
105188749
112a24425
1218a28b9
1310c8987
14990d2d
156c7619
hex4f2c8d

5188749 has 8 divisors (see below), whose sum is σ = 7141632. Its totient is φ = 3347520.

The previous prime is 5188739. The next prime is 5188763. The reversal of 5188749 is 9478815.

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

It is not a de Polignac number, because 5188749 - 25 = 5188717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5188749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188739) 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, 27804 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (892704).

Almost surely, 25188749 is an apocalyptic number.

It is an amenable number.

5188749 is a deficient number, since it is larger than the sum of its proper divisors (1952883).

5188749 is a wasteful number, since it uses less digits than its factorization.

5188749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55827.

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

The square root of 5188749 is about 2277.8825694052. The cubic root of 5188749 is about 173.1227814058.

The spelling of 5188749 in words is "five million, one hundred eighty-eight thousand, seven hundred forty-nine".

Divisors: 1 3 31 93 55793 167379 1729583 5188749