Search a number
-
+
69585697 = 157443221
BaseRepresentation
bin1000010010111…
…00101100100001
311211221022122001
410021130230201
5120303220242
610523244001
71503316516
oct411345441
9154838561
1069585697
1136308845
121b379601
131155508c
14935530d
156197eb7
hex425cb21

69585697 has 4 divisors (see below), whose sum is σ = 70029076. Its totient is φ = 69142320.

The previous prime is 69585679. The next prime is 69585707. The reversal of 69585697 is 79658596.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 62742241 = 2616^2 + 7921^2 .

It is a cyclic number.

It is not a de Polignac number, because 69585697 - 211 = 69583649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69580697) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 221454 + ... + 221767.

It is an arithmetic number, because the mean of its divisors is an integer number (17507269).

Almost surely, 269585697 is an apocalyptic number.

It is an amenable number.

69585697 is a deficient number, since it is larger than the sum of its proper divisors (443379).

69585697 is a wasteful number, since it uses less digits than its factorization.

69585697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443378.

The product of its digits is 4082400, while the sum is 55.

The square root of 69585697 is about 8341.8041813507. The cubic root of 69585697 is about 411.3138439882.

The spelling of 69585697 in words is "sixty-nine million, five hundred eighty-five thousand, six hundred ninety-seven".

Divisors: 1 157 443221 69585697