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575420 = 22528771
BaseRepresentation
bin10001100011110111100
31002020022212
42030132330
5121403140
620155552
74614416
oct2143674
91066285
10575420
1136335a
12238bb8
13171bb1
1410d9b6
15b5765
hex8c7bc

575420 has 12 divisors (see below), whose sum is σ = 1208424. Its totient is φ = 230160.

The previous prime is 575417. The next prime is 575429. The reversal of 575420 is 24575.

It is a super-2 number, since 2×5754202 = 662216352800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575429) 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, 14366 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (100702).

2575420 is an apocalyptic number.

It is an amenable number.

575420 is an abundant number, since it is smaller than the sum of its proper divisors (633004).

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

575420 is a wasteful number, since it uses less digits than its factorization.

575420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780 (or 28778 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 575420 is about 758.5644336508. The cubic root of 575420 is about 83.1754164918.

Adding to 575420 its reverse (24575), we get a palindrome (599995).

The spelling of 575420 in words is "five hundred seventy-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 28771 57542 115084 143855 287710 575420