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541214521 = 5231034827
BaseRepresentation
bin100000010000100…
…100011100111001
31101201101112202021
4200100210130321
52102022331041
6125412034441
716261150621
oct4020443471
91351345667
10541214521
11258557531
12131302a21
13881856a3
1451c43881
15327a9cd1
hex20424739

541214521 has 4 divisors (see below), whose sum is σ = 542249872. Its totient is φ = 540179172.

The previous prime is 541214477. The next prime is 541214549. The reversal of 541214521 is 125412145.

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.

It is a cyclic number.

It is not a de Polignac number, because 541214521 - 27 = 541214393 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541214551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516891 + ... + 517936.

It is an arithmetic number, because the mean of its divisors is an integer number (135562468).

Almost surely, 2541214521 is an apocalyptic number.

It is an amenable number.

541214521 is a deficient number, since it is larger than the sum of its proper divisors (1035351).

541214521 is a wasteful number, since it uses less digits than its factorization.

541214521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035350.

The product of its digits is 1600, while the sum is 25.

The square root of 541214521 is about 23264.0177312518. The cubic root of 541214521 is about 814.9353310375.

Adding to 541214521 its reverse (125412145), we get a palindrome (666626666).

The spelling of 541214521 in words is "five hundred forty-one million, two hundred fourteen thousand, five hundred twenty-one".

Divisors: 1 523 1034827 541214521