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1057564 = 22264391
BaseRepresentation
bin100000010001100011100
31222201201001
410002030130
5232320224
634400044
711663164
oct4021434
91881631
101057564
11662622
12430024
132b04a1
141d75a4
1515d544
hex10231c

1057564 has 6 divisors (see below), whose sum is σ = 1850744. Its totient is φ = 528780.

The previous prime is 1057561. The next prime is 1057577. The reversal of 1057564 is 4657501.

It is a super-2 number, since 2×10575642 = 2236883228192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057561) by changing a digit.

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 as a sum of consecutive naturals, namely, 132192 + ... + 132199.

21057564 is an apocalyptic number.

It is an amenable number.

1057564 is a deficient number, since it is larger than the sum of its proper divisors (793180).

1057564 is a wasteful number, since it uses less digits than its factorization.

1057564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264395 (or 264393 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1057564 is about 1028.3793074542. The cubic root of 1057564 is about 101.8831161436.

The spelling of 1057564 in words is "one million, fifty-seven thousand, five hundred sixty-four".

Divisors: 1 2 4 264391 528782 1057564