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52490065 = 519552527
BaseRepresentation
bin1100100000111…
…0111101010001
310122202202211111
43020032331101
5101414140230
65113013321
71205105155
oct310167521
9118682744
1052490065
11276a1621
12156b4241
13ab4a914
146d85065
15491c92a
hex320ef51

52490065 has 8 divisors (see below), whose sum is σ = 66303360. Its totient is φ = 39781872.

The previous prime is 52490051. The next prime is 52490077. The reversal of 52490065 is 56009425.

52490065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52490065 - 215 = 52457297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276169 + ... + 276358.

It is an arithmetic number, because the mean of its divisors is an integer number (8287920).

Almost surely, 252490065 is an apocalyptic number.

It is an amenable number.

52490065 is a deficient number, since it is larger than the sum of its proper divisors (13813295).

52490065 is a wasteful number, since it uses less digits than its factorization.

52490065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552551.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 52490065 is about 7245.0027605240. The cubic root of 52490065 is about 374.4199982051.

The spelling of 52490065 in words is "fifty-two million, four hundred ninety thousand, sixty-five".

Divisors: 1 5 19 95 552527 2762635 10498013 52490065