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537641 = 1341357
BaseRepresentation
bin10000011010000101001
31000022111122
42003100221
5114201031
615305025
74366316
oct2032051
91008448
10537641
11337a35
1221b175
1315a940
14ddd0d
15a947b
hex83429

537641 has 4 divisors (see below), whose sum is σ = 579012. Its totient is φ = 496272.

The previous prime is 537637. The next prime is 537661. The reversal of 537641 is 146735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146735 = 529347.

It can be written as a sum of positive squares in 2 ways, for example, as 211600 + 326041 = 460^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 537641 - 22 = 537637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 537641.

It is not an unprimeable number, because it can be changed into a prime (537611) 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 in 3 ways as a sum of consecutive naturals, for example, 20666 + ... + 20691.

It is an arithmetic number, because the mean of its divisors is an integer number (144753).

2537641 is an apocalyptic number.

It is an amenable number.

537641 is a deficient number, since it is larger than the sum of its proper divisors (41371).

537641 is a wasteful number, since it uses less digits than its factorization.

537641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41370.

The product of its digits is 2520, while the sum is 26.

The square root of 537641 is about 733.2400698271. The cubic root of 537641 is about 81.3137755686.

The spelling of 537641 in words is "five hundred thirty-seven thousand, six hundred forty-one".

Divisors: 1 13 41357 537641