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5128878 = 231495737
BaseRepresentation
bin10011100100001010101110
3100122120111110
4103210022232
52303111003
6301532450
761410666
oct23441256
910576443
105128878
112993447
121874126
1310a7651
149771a6
156b4a03
hex4e42ae

5128878 has 16 divisors (see below), whose sum is σ = 10328400. Its totient is φ = 1697856.

The previous prime is 5128873. The next prime is 5128889. The reversal of 5128878 is 8788215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128873) 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, 1975 + ... + 3762.

It is an arithmetic number, because the mean of its divisors is an integer number (645525).

Almost surely, 25128878 is an apocalyptic number.

5128878 is an abundant number, since it is smaller than the sum of its proper divisors (5199522).

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

5128878 is a wasteful number, since it uses less digits than its factorization.

5128878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891.

The product of its digits is 35840, while the sum is 39.

The square root of 5128878 is about 2264.7026294858. The cubic root of 5128878 is about 172.4543378404.

It can be divided in two parts, 5128 and 878, that added together give a palindrome (6006).

The spelling of 5128878 in words is "five million, one hundred twenty-eight thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 149 298 447 894 5737 11474 17211 34422 854813 1709626 2564439 5128878