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506984805 = 3353755443
BaseRepresentation
bin11110001101111…
…111100101100101
31022022222111102000
4132031333211211
52014242003210
6122150235513
715364204545
oct3615774545
91268874360
10506984805
112401a8208
12121955b99
138105c412
144b493325
152e797ac0
hex1e37f965

506984805 has 16 divisors (see below), whose sum is σ = 901306560. Its totient is φ = 270391824.

The previous prime is 506984747. The next prime is 506984813. The reversal of 506984805 is 508489605.

It is not a de Polignac number, because 506984805 - 210 = 506983781 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877587 + ... + 1877856.

It is an arithmetic number, because the mean of its divisors is an integer number (56331660).

Almost surely, 2506984805 is an apocalyptic number.

It is an amenable number.

506984805 is a deficient number, since it is larger than the sum of its proper divisors (394321755).

506984805 is a wasteful number, since it uses less digits than its factorization.

506984805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755457 (or 3755451 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 506984805 is about 22516.3230790465. The cubic root of 506984805 is about 797.3793438466.

The spelling of 506984805 in words is "five hundred six million, nine hundred eighty-four thousand, eight hundred five".

Divisors: 1 3 5 9 15 27 45 135 3755443 11266329 18777215 33798987 56331645 101396961 168994935 506984805