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574220 = 22528711
BaseRepresentation
bin10001100001100001100
31002011200102
42030030030
5121333340
620150232
74611053
oct2141414
91064612
10574220
11362469
12238378
1317149a
1410d39a
15b5215
hex8c30c

574220 has 12 divisors (see below), whose sum is σ = 1205904. Its totient is φ = 229680.

The previous prime is 574219. The next prime is 574261. The reversal of 574220 is 22475.

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: 28711 = 574220 / (5 + 7 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 574192 and 574201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14336 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (100492).

2574220 is an apocalyptic number.

It is an amenable number.

574220 is an abundant number, since it is smaller than the sum of its proper divisors (631684).

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

574220 is a wasteful number, since it uses less digits than its factorization.

574220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28720 (or 28718 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 574220 is about 757.7730530970. The cubic root of 574220 is about 83.1175573264.

Adding to 574220 its reverse (22475), we get a palindrome (596695).

The spelling of 574220 in words is "five hundred seventy-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 28711 57422 114844 143555 287110 574220