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505814061 = 3168604687
BaseRepresentation
bin11110001001100…
…001110000101101
31022020210000110010
4132021201300231
52013442022221
6122105203433
715351230364
oct3611416055
91266700403
10505814061
1123a578655
12121490579
1380a3c57c
144b26a7db
152e615c76
hex1e261c2d

505814061 has 4 divisors (see below), whose sum is σ = 674418752. Its totient is φ = 337209372.

The previous prime is 505814059. The next prime is 505814081. The reversal of 505814061 is 160418505.

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 not a de Polignac number, because 505814061 - 21 = 505814059 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 (505814041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84302341 + ... + 84302346.

It is an arithmetic number, because the mean of its divisors is an integer number (168604688).

Almost surely, 2505814061 is an apocalyptic number.

It is an amenable number.

505814061 is a deficient number, since it is larger than the sum of its proper divisors (168604691).

505814061 is a wasteful number, since it uses less digits than its factorization.

505814061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168604690.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 505814061 is about 22490.3103802504. The cubic root of 505814061 is about 796.7650936281.

The spelling of 505814061 in words is "five hundred five million, eight hundred fourteen thousand, sixty-one".

Divisors: 1 3 168604687 505814061