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572056820 = 22528602841
BaseRepresentation
bin100010000110001…
…110010011110100
31110212102111102122
4202012032103310
52132421304240
6132433055112
720114255066
oct4206162364
91425374378
10572056820
11273a02835
1213b6b7498
1391693b7a
1455d91736
153534d4b5
hex2218e4f4

572056820 has 12 divisors (see below), whose sum is σ = 1201319364. Its totient is φ = 228822720.

The previous prime is 572056811. The next prime is 572056867. The reversal of 572056820 is 28650275.

It can be written as a sum of positive squares in 2 ways, for example, as 93934864 + 478121956 = 9692^2 + 21866^2 .

It is a congruent number.

It is an unprimeable number.

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, 14301401 + ... + 14301440.

It is an arithmetic number, because the mean of its divisors is an integer number (100109947).

Almost surely, 2572056820 is an apocalyptic number.

It is an amenable number.

572056820 is an abundant number, since it is smaller than the sum of its proper divisors (629262544).

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

572056820 is a wasteful number, since it uses less digits than its factorization.

572056820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602850 (or 28602848 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 572056820 is about 23917.7093384797. The cubic root of 572056820 is about 830.1305354282.

The spelling of 572056820 in words is "five hundred seventy-two million, fifty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 28602841 57205682 114411364 143014205 286028410 572056820