Search a number
-
+
717020065 = 5411134883
BaseRepresentation
bin101010101111001…
…101101110100001
31211222012101121201
4222233031232201
52432024120230
6155052121201
723524366336
oct5257155641
91758171551
10717020065
11338814873
12180166201
13b571b338
146b32898d
1542e355ca
hex2abcdba1

717020065 has 8 divisors (see below), whose sum is σ = 860658048. Its totient is φ = 573460080.

The previous prime is 717020063. The next prime is 717020071. The reversal of 717020065 is 560020717.

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

It is not a de Polignac number, because 717020065 - 21 = 717020063 is a prime.

It is a super-2 number, since 2×7170200652 = 1028235547225208450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717020063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114 + ... + 37996.

It is an arithmetic number, because the mean of its divisors is an integer number (107582256).

Almost surely, 2717020065 is an apocalyptic number.

It is an amenable number.

717020065 is a deficient number, since it is larger than the sum of its proper divisors (143637983).

717020065 is a wasteful number, since it uses less digits than its factorization.

717020065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38999.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 717020065 is about 26777.2303459488. The cubic root of 717020065 is about 895.0427307085.

The spelling of 717020065 in words is "seven hundred seventeen million, twenty thousand, sixty-five".

Divisors: 1 5 4111 20555 34883 174415 143404013 717020065