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541742225 = 52417272
BaseRepresentation
bin100000010010100…
…101010010010001
31101202101100121212
4200102211102101
52102141222400
6125431225505
716265506253
oct4022452221
91352340555
10541742225
11258887a52
12131518295
138830b93b
1451d3dcd3
1532861335
hex204a5491

541742225 has 18 divisors (see below), whose sum is σ = 689092614. Its totient is φ = 422241600.

The previous prime is 541742167. The next prime is 541742233. The reversal of 541742225 is 522247145.

It can be written as a sum of positive squares in 3 ways, for example, as 528529 + 541213696 = 727^2 + 23264^2 .

It is not a de Polignac number, because 541742225 - 28 = 541741969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541742191 and 541742200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 744812 + ... + 745538.

It is an arithmetic number, because the mean of its divisors is an integer number (38282923).

Almost surely, 2541742225 is an apocalyptic number.

It is an amenable number.

541742225 is a deficient number, since it is larger than the sum of its proper divisors (147350389).

541742225 is an frugal number, since it uses more digits than its factorization.

541742225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 773 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 541742225 is about 23275.3566030684. The cubic root of 541742225 is about 815.2001089417.

The spelling of 541742225 in words is "five hundred forty-one million, seven hundred forty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 41 205 727 1025 3635 18175 29807 149035 528529 745175 2642645 13213225 21669689 108348445 541742225