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506489819 = 11431070803
BaseRepresentation
bin11110001100000…
…110101111011011
31022022001100102012
4132030012233123
52014130133234
6122131500135
715360043463
oct3614065733
91268040365
10506489819
1123a99a330
1212175764b
1380c18024
144b3a4ba3
152e6eb0ce
hex1e306bdb

506489819 has 8 divisors (see below), whose sum is σ = 565384512. Its totient is φ = 449736840.

The previous prime is 506489803. The next prime is 506489839. The reversal of 506489819 is 918984605.

It is a happy number.

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 506489819 - 24 = 506489803 is a prime.

It is a super-2 number, since 2×5064898192 = 513063873501305522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506489839) 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, 534929 + ... + 535874.

It is an arithmetic number, because the mean of its divisors is an integer number (70673064).

Almost surely, 2506489819 is an apocalyptic number.

506489819 is a deficient number, since it is larger than the sum of its proper divisors (58894693).

506489819 is a wasteful number, since it uses less digits than its factorization.

506489819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070857.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 506489819 is about 22505.3286801148. The cubic root of 506489819 is about 797.1197567558.

The spelling of 506489819 in words is "five hundred six million, four hundred eighty-nine thousand, eight hundred nineteen".

Divisors: 1 11 43 473 1070803 11778833 46044529 506489819