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52478585 = 571147827
BaseRepresentation
bin1100100000110…
…0001001111001
310122202012002022
43020030021321
5101413303320
65112444225
71205026535
oct310141171
9118665068
1052478585
1127693a35
12156a9675
13ab45623
146d80bc5
154919325
hex320c279

52478585 has 8 divisors (see below), whose sum is σ = 63861696. Its totient is φ = 41391280.

The previous prime is 52478579. The next prime is 52478593. The reversal of 52478585 is 58587425.

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

It is not a de Polignac number, because 52478585 - 28 = 52478329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73559 + ... + 74268.

It is an arithmetic number, because the mean of its divisors is an integer number (7982712).

Almost surely, 252478585 is an apocalyptic number.

It is an amenable number.

52478585 is a deficient number, since it is larger than the sum of its proper divisors (11383111).

52478585 is a wasteful number, since it uses less digits than its factorization.

52478585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147903.

The product of its digits is 448000, while the sum is 44.

The square root of 52478585 is about 7244.2104469707. The cubic root of 52478585 is about 374.3926999917.

The spelling of 52478585 in words is "fifty-two million, four hundred seventy-eight thousand, five hundred eighty-five".

Divisors: 1 5 71 355 147827 739135 10495717 52478585