Search a number
-
+
5185878 = 234212053
BaseRepresentation
bin10011110010000101010110
3100202110200120
4103302011112
52311422003
6303052410
762036115
oct23620526
910673616
105185878
112a22255
1218a1106
1310c7589
1498dc7c
156c6853
hex4f2156

5185878 has 16 divisors (see below), whose sum is σ = 10401456. Its totient is φ = 1723680.

The previous prime is 5185877. The next prime is 5185889. The reversal of 5185878 is 8785815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185877) 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 7 ways as a sum of consecutive naturals, for example, 1500 + ... + 3552.

It is an arithmetic number, because the mean of its divisors is an integer number (650091).

Almost surely, 25185878 is an apocalyptic number.

5185878 is an abundant number, since it is smaller than the sum of its proper divisors (5215578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5185878 is a wasteful number, since it uses less digits than its factorization.

5185878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479.

The product of its digits is 89600, while the sum is 42.

The square root of 5185878 is about 2277.2522916884. The cubic root of 5185878 is about 173.0908451783.

The spelling of 5185878 in words is "five million, one hundred eighty-five thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 421 842 1263 2053 2526 4106 6159 12318 864313 1728626 2592939 5185878