Search a number
-
+
695000018 = 21720441177
BaseRepresentation
bin101001011011001…
…101101111010010
31210102202122210102
4221123031233102
52410410000033
6152544132402
723136255056
oct5133155722
91712678712
10695000018
11327344889
12174907102
13b0cab61b
1468435c66
1541035de8
hex296cdbd2

695000018 has 8 divisors (see below), whose sum is σ = 1103823612. Its totient is φ = 327058816.

The previous prime is 695000017. The next prime is 695000057. The reversal of 695000018 is 810000596.

It can be written as a sum of positive squares in 2 ways, for example, as 674596729 + 20403289 = 25973^2 + 4517^2 .

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

It is not an unprimeable number, because it can be changed into a prime (695000017) 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 3 ways as a sum of consecutive naturals, for example, 10220555 + ... + 10220622.

Almost surely, 2695000018 is an apocalyptic number.

695000018 is a deficient number, since it is larger than the sum of its proper divisors (408823594).

695000018 is a wasteful number, since it uses less digits than its factorization.

695000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20441196.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 695000018 is about 26362.8529943176. The cubic root of 695000018 is about 885.7848987036.

The spelling of 695000018 in words is "six hundred ninety-five million, eighteen", and thus it is an aban number.

Divisors: 1 2 17 34 20441177 40882354 347500009 695000018