Base | Representation |
---|---|
bin | 101111111111010… |
… | …101000101101111 |
3 | 2002002222212120010 |
4 | 233333111011233 |
5 | 3122103134412 |
6 | 211520424303 |
7 | 25644332361 |
oct | 5777250557 |
9 | 2062885503 |
10 | 805130607 |
11 | 3835255a6 |
12 | 1a5778093 |
13 | caa5b258 |
14 | 78d02d31 |
15 | 4aa3c33c |
hex | 2ffd516f |
805130607 has 12 divisors (see below), whose sum is σ = 1076836040. Its totient is φ = 535094400.
The previous prime is 805130587. The next prime is 805130611. The reversal of 805130607 is 706031508.
It is not a de Polignac number, because 805130607 - 214 = 805114223 is a prime.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805130657) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481569 + ... + 483237.
Almost surely, 2805130607 is an apocalyptic number.
805130607 is a deficient number, since it is larger than the sum of its proper divisors (271705433).
805130607 is an equidigital number, since it uses as much as digits as its factorization.
805130607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2474 (or 2073 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 805130607 is about 28374.8234708165. The cubic root of 805130607 is about 930.2980533864.
Subtracting from 805130607 its reverse (706031508), we obtain a palindrome (99099099).
The spelling of 805130607 in words is "eight hundred five million, one hundred thirty thousand, six hundred seven".
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