Search a number
-
+
689934801 = 3523439729
BaseRepresentation
bin101001000111111…
…001000111010001
31210002020022121210
4221013321013101
52403110403201
6152243410333
723045230503
oct5107710721
91702208553
10689934801
113244a5256
121730839a9
13acc26c5a
14678b7d73
15408851d6
hex291f91d1

689934801 has 8 divisors (see below), whose sum is σ = 921674080. Its totient is φ = 459076032.

The previous prime is 689934797. The next prime is 689934809. The reversal of 689934801 is 108439986.

689934801 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 not a de Polignac number, because 689934801 - 22 = 689934797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689934809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218296 + ... + 221433.

It is an arithmetic number, because the mean of its divisors is an integer number (115209260).

Almost surely, 2689934801 is an apocalyptic number.

It is an amenable number.

689934801 is a deficient number, since it is larger than the sum of its proper divisors (231739279).

689934801 is a wasteful number, since it uses less digits than its factorization.

689934801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440255.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 689934801 is about 26266.6100020539. The cubic root of 689934801 is about 883.6277587738.

The spelling of 689934801 in words is "six hundred eighty-nine million, nine hundred thirty-four thousand, eight hundred one".

Divisors: 1 3 523 1569 439729 1319187 229978267 689934801