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575980 = 22531929
BaseRepresentation
bin10001100100111101100
31002021002121
42030213230
5121412410
620202324
74616146
oct2144754
91067077
10575980
11363819
122393a4
13172222
1410dc96
15b59da
hex8c9ec

575980 has 24 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 222720.

The previous prime is 575963. The next prime is 575987. The reversal of 575980 is 89575.

575980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575987) 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, 156 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2575980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 575980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624960).

575980 is an abundant number, since it is smaller than the sum of its proper divisors (673940).

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

575980 is a wasteful number, since it uses less digits than its factorization.

575980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 575980 is about 758.9334621691. The cubic root of 575980 is about 83.2023899092.

The spelling of 575980 in words is "five hundred seventy-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 929 1858 3716 4645 9290 18580 28799 57598 115196 143995 287990 575980