Search a number
-
+
5987780 = 225299389
BaseRepresentation
bin10110110101110111000100
3102021012200122
4112311313010
53013102110
6332201112
7101616041
oct26656704
912235618
105987780
11341a787
122009198
131318586
14b1c1c8
157d4255
hex5b5dc4

5987780 has 12 divisors (see below), whose sum is σ = 12574380. Its totient is φ = 2395104.

The previous prime is 5987777. The next prime is 5987789. The reversal of 5987780 is 877895.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 1915456 = 2018^2 + 1384^2 .

It is not an unprimeable number, because it can be changed into a prime (5987789) 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 3 ways as a sum of consecutive naturals, for example, 149675 + ... + 149714.

It is an arithmetic number, because the mean of its divisors is an integer number (1047865).

Almost surely, 25987780 is an apocalyptic number.

It is an amenable number.

5987780 is an abundant number, since it is smaller than the sum of its proper divisors (6586600).

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

5987780 is a wasteful number, since it uses less digits than its factorization.

5987780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299398 (or 299396 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 5987780 is about 2446.9940743696. The cubic root of 5987780 is about 181.5886131410.

The spelling of 5987780 in words is "five million, nine hundred eighty-seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 299389 598778 1197556 1496945 2993890 5987780