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573140 = 22528657
BaseRepresentation
bin10001011111011010100
31002010012102
42023323110
5121320030
620141232
74604651
oct2137324
91063172
10573140
11361677
12237818
13170b49
1410cc28
15b4c45
hex8bed4

573140 has 12 divisors (see below), whose sum is σ = 1203636. Its totient is φ = 229248.

The previous prime is 573119. The next prime is 573143. The reversal of 573140 is 41375.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 414736 = 398^2 + 644^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 28657 = 573140 / (5 + 7 + 3 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573143) 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 3 ways as a sum of consecutive naturals, for example, 14309 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (100303).

2573140 is an apocalyptic number.

It is an amenable number.

573140 is an abundant number, since it is smaller than the sum of its proper divisors (630496).

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

573140 is a wasteful number, since it uses less digits than its factorization.

573140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28666 (or 28664 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 573140 is about 757.0601032943. The cubic root of 573140 is about 83.0654151166.

The spelling of 573140 in words is "five hundred seventy-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 28657 57314 114628 143285 286570 573140