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541530541 = 1992721259
BaseRepresentation
bin100000010001110…
…001100110101101
31101201222121020201
4200101301212231
52102112434131
6125422513501
716263635146
oct4021614655
91351877221
10541530541
11258752a02
12131435891
1388266496
1451cc6acd
153281d761
hex204719ad

541530541 has 4 divisors (see below), whose sum is σ = 544252000. Its totient is φ = 538809084.

The previous prime is 541530527. The next prime is 541530559. The reversal of 541530541 is 145035145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145035145 = 529007029.

It is a cyclic number.

It is not a de Polignac number, because 541530541 - 29 = 541530029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541530581) by changing a digit.

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, 1360431 + ... + 1360828.

It is an arithmetic number, because the mean of its divisors is an integer number (136063000).

Almost surely, 2541530541 is an apocalyptic number.

It is an amenable number.

541530541 is a deficient number, since it is larger than the sum of its proper divisors (2721459).

541530541 is a wasteful number, since it uses less digits than its factorization.

541530541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721458.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 541530541 is about 23270.8087740843. The cubic root of 541530541 is about 815.0939161849.

Adding to 541530541 its reverse (145035145), we get a palindrome (686565686).

The spelling of 541530541 in words is "five hundred forty-one million, five hundred thirty thousand, five hundred forty-one".

Divisors: 1 199 2721259 541530541