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506688047 = 5919144963
BaseRepresentation
bin11110001100110…
…111001000101111
31022022102102022222
4132030313020233
52014203004142
6122140025555
715361530425
oct3614671057
91268372288
10506688047
11240015258
121218322bb
1380c87318
144b417115
152e739bd2
hex1e33722f

506688047 has 8 divisors (see below), whose sum is σ = 517985280. Its totient is φ = 495481240.

The previous prime is 506688031. The next prime is 506688071. The reversal of 506688047 is 740886605.

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 506688047 - 24 = 506688031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506687989 and 506688007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506688097) 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, 11213 + ... + 33750.

It is an arithmetic number, because the mean of its divisors is an integer number (64748160).

Almost surely, 2506688047 is an apocalyptic number.

506688047 is a deficient number, since it is larger than the sum of its proper divisors (11297233).

506688047 is a wasteful number, since it uses less digits than its factorization.

506688047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45213.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 506688047 is about 22509.7322729525. The cubic root of 506688047 is about 797.2237343942.

The spelling of 506688047 in words is "five hundred six million, six hundred eighty-eight thousand, forty-seven".

Divisors: 1 59 191 11269 44963 2652817 8587933 506688047