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505242541 = 23193113819
BaseRepresentation
bin11110000111010…
…110001110101101
31022012200222110201
4132013112032231
52013320230131
6122045033501
715343330216
oct3607261655
91265628421
10505242541
1123a218221
12121255891
138089c3ab
144b15c40d
152e551761
hex1e1d63ad

505242541 has 8 divisors (see below), whose sum is σ = 529945920. Its totient is φ = 480767232.

The previous prime is 505242427. The next prime is 505242571. The reversal of 505242541 is 145242505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505242541 - 29 = 505242029 is a prime.

It is a super-2 number, since 2×5052425412 = 510540050472273362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505242571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52471 + ... + 61348.

It is an arithmetic number, because the mean of its divisors is an integer number (66243240).

Almost surely, 2505242541 is an apocalyptic number.

It is an amenable number.

505242541 is a deficient number, since it is larger than the sum of its proper divisors (24703379).

505242541 is a wasteful number, since it uses less digits than its factorization.

505242541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114035.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 505242541 is about 22477.6008728690. The cubic root of 505242541 is about 796.4648918768.

The spelling of 505242541 in words is "five hundred five million, two hundred forty-two thousand, five hundred forty-one".

Divisors: 1 23 193 4439 113819 2617837 21967067 505242541