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580384873 = 1243346681
BaseRepresentation
bin100010100101111…
…111100001101001
31111110002121101001
4202211333201221
52142034303443
6133331355001
720245122115
oct4245774151
91443077331
10580384873
11278680822
12142452a61
139331b703
145711c745
1535e45d4d
hex2297f869

580384873 has 4 divisors (see below), whose sum is σ = 580443988. Its totient is φ = 580325760.

The previous prime is 580384843. The next prime is 580384891. The reversal of 580384873 is 378483085.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 378483085 = 575696617.

It can be written as a sum of positive squares in 2 ways, for example, as 382476249 + 197908624 = 19557^2 + 14068^2 .

It is a cyclic number.

It is not a de Polignac number, because 580384873 - 25 = 580384841 is a prime.

It is a super-2 number, since 2×5803848732 = 673693201614452258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (580384823) 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, 10908 + ... + 35773.

It is an arithmetic number, because the mean of its divisors is an integer number (145110997).

Almost surely, 2580384873 is an apocalyptic number.

It is an amenable number.

580384873 is a deficient number, since it is larger than the sum of its proper divisors (59115).

580384873 is a wasteful number, since it uses less digits than its factorization.

580384873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59114.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 580384873 is about 24091.1783231954. The cubic root of 580384873 is about 834.1395144305.

The spelling of 580384873 in words is "five hundred eighty million, three hundred eighty-four thousand, eight hundred seventy-three".

Divisors: 1 12433 46681 580384873