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505585445 = 5487120759
BaseRepresentation
bin11110001000101…
…001111100100101
31022020100101211212
4132020221330211
52013412213240
6122100241205
715346256021
oct3610517445
91266311755
10505585445
1123a431912
121213a0205
138098c4b1
144b20b381
152e5bd165
hex1e229f25

505585445 has 8 divisors (see below), whose sum is σ = 606856320. Its totient is φ = 404365840.

The previous prime is 505585411. The next prime is 505585447. The reversal of 505585445 is 544585505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505585445 - 28 = 505585189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505585447) 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, 13976 + ... + 34734.

It is an arithmetic number, because the mean of its divisors is an integer number (75857040).

Almost surely, 2505585445 is an apocalyptic number.

It is an amenable number.

505585445 is a deficient number, since it is larger than the sum of its proper divisors (101270875).

505585445 is a wasteful number, since it uses less digits than its factorization.

505585445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635.

The product of its (nonzero) digits is 400000, while the sum is 41.

The square root of 505585445 is about 22485.2272614710. The cubic root of 505585445 is about 796.6450358753.

The spelling of 505585445 in words is "five hundred five million, five hundred eighty-five thousand, four hundred forty-five".

Divisors: 1 5 4871 20759 24355 103795 101117089 505585445