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541020505 = 5123787473
BaseRepresentation
bin100000001111110…
…101000101011001
31101201000200121111
4200033311011121
52102000124010
6125403540321
716256412154
oct4017650531
91351020544
10541020505
11258434793
1213122a6a1
138811829c
1451bd2c9b
153276c58a
hex203f5159

541020505 has 8 divisors (see below), whose sum is σ = 649756872. Its totient is φ = 432461568.

The previous prime is 541020499. The next prime is 541020517. The reversal of 541020505 is 505020145.

541020505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 218566656 + 322453849 = 14784^2 + 17957^2 .

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 541020505 - 29 = 541019993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37552 + ... + 49921.

It is an arithmetic number, because the mean of its divisors is an integer number (81219609).

Almost surely, 2541020505 is an apocalyptic number.

It is an amenable number.

541020505 is a deficient number, since it is larger than the sum of its proper divisors (108736367).

541020505 is a wasteful number, since it uses less digits than its factorization.

541020505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88715.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 541020505 is about 23259.8474844527. The cubic root of 541020505 is about 814.8379393477.

The spelling of 541020505 in words is "five hundred forty-one million, twenty thousand, five hundred five".

Divisors: 1 5 1237 6185 87473 437365 108204101 541020505