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505085539 = 780119007
BaseRepresentation
bin11110000110101…
…111111001100011
31022012102000002211
4132012233321203
52013300214124
6122041422551
715342104410
oct3606577143
91265360084
10505085539
1123a120272
1212119aa57
1380845aaa
144b11b107
152e51ee94
hex1e1afe63

505085539 has 8 divisors (see below), whose sum is σ = 577376768. Its totient is φ = 432828360.

The previous prime is 505085509. The next prime is 505085549. The reversal of 505085539 is 935580505.

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 505085539 - 215 = 505052771 is a prime.

It is a super-2 number, since 2×5050855392 = 510222803413841042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505085509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51574 + ... + 60580.

It is an arithmetic number, because the mean of its divisors is an integer number (72172096).

Almost surely, 2505085539 is an apocalyptic number.

505085539 is a deficient number, since it is larger than the sum of its proper divisors (72291229).

505085539 is an equidigital number, since it uses as much as digits as its factorization.

505085539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 505085539 is about 22474.1081914278. The cubic root of 505085539 is about 796.3823839553.

The spelling of 505085539 in words is "five hundred five million, eighty-five thousand, five hundred thirty-nine".

Divisors: 1 7 8011 9007 56077 63049 72155077 505085539