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69965 = 571999
BaseRepresentation
bin10001000101001101
310112222022
4101011031
54214330
61255525
7410660
oct210515
9115868
1069965
1148625
12345a5
1325acc
141b6d7
1515ae5
hex1114d

69965 has 8 divisors (see below), whose sum is σ = 96000. Its totient is φ = 47952.

The previous prime is 69959. The next prime is 69991. The reversal of 69965 is 56996.

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 69965 - 28 = 69709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1999 = 69965 / (6 + 9 + 9 + 6 + 5).

It is a d-powerful number, because it can be written as 6 + 9 + 95 + 65 + 55 .

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 69965.

It is an unprimeable number.

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, 965 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (12000).

269965 is an apocalyptic number.

It is an amenable number.

69965 is a deficient number, since it is larger than the sum of its proper divisors (26035).

69965 is a wasteful number, since it uses less digits than its factorization.

69965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 14580, while the sum is 35.

The square root of 69965 is about 264.5089790536. The cubic root of 69965 is about 41.2059830441.

It can be divided in two parts, 6996 and 5, that multiplied together give a triangular number (34980 = T264).

The spelling of 69965 in words is "sixty-nine thousand, nine hundred sixty-five".

Divisors: 1 5 7 35 1999 9995 13993 69965