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3530641 = 18792
BaseRepresentation
bin1101011101111110010001
320122101010111
431131332101
51400440031
6203401321
742003262
oct15357621
96571114
103530641
111aa1694
121223241
1396804a
1467c969
1549b1b1
hex35df91

3530641 has 3 divisors (see below), whose sum is σ = 3532521. Its totient is φ = 3528762.

The previous prime is 3530629. The next prime is 3530647. The reversal of 3530641 is 1460353.

The square root of 3530641 is 1879.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3530641 - 25 = 3530609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3530647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 940 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (1177507).

Almost surely, 23530641 is an apocalyptic number.

3530641 is the 1879-th square number.

3530641 is the 940-th centered octagonal number.

It is an amenable number.

3530641 is a deficient number, since it is larger than the sum of its proper divisors (1880).

3530641 is an frugal number, since it uses more digits than its factorization.

3530641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The cubic root of 3530641 is about 152.2712291421.

Adding to 3530641 its reverse (1460353), we get a palindrome (4990994).

The spelling of 3530641 in words is "three million, five hundred thirty thousand, six hundred forty-one".

Divisors: 1 1879 3530641