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69568513 = 741242399
BaseRepresentation
bin1000010010110…
…00100000000001
311211220110001121
410021120200001
5120302143023
610523032241
71503215440
oct411304001
9154813047
1069568513
11362a6943
121b36b681
131154a301
14934cd57
156192d5d
hex4258801

69568513 has 8 divisors (see below), whose sum is σ = 81446400. Its totient is φ = 58175520.

The previous prime is 69568501. The next prime is 69568517. The reversal of 69568513 is 31586596.

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 69568513 - 213 = 69560321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69568513.

It is not an unprimeable number, because it can be changed into a prime (69568517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120913 + ... + 121486.

It is an arithmetic number, because the mean of its divisors is an integer number (10180800).

Almost surely, 269568513 is an apocalyptic number.

It is an amenable number.

69568513 is a deficient number, since it is larger than the sum of its proper divisors (11877887).

69568513 is a wasteful number, since it uses less digits than its factorization.

69568513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242447.

The product of its digits is 194400, while the sum is 43.

The square root of 69568513 is about 8340.7741247441. The cubic root of 69568513 is about 411.2799835864.

The spelling of 69568513 in words is "sixty-nine million, five hundred sixty-eight thousand, five hundred thirteen".

Divisors: 1 7 41 287 242399 1696793 9938359 69568513