Base | Representation |
---|---|
bin | 101101101000000… |
… | …000111111111000 |
3 | 1222100100121222120 |
4 | 231220000333320 |
5 | 3031424331233 |
6 | 203542321240 |
7 | 24653225061 |
oct | 5550007770 |
9 | 1870317876 |
10 | 765464568 |
11 | 3630a2950 |
12 | 194429220 |
13 | c278071b |
14 | 73939568 |
15 | 473044b3 |
hex | 2da00ff8 |
765464568 has 64 divisors (see below), whose sum is σ = 2116281600. Its totient is φ = 228775680.
The previous prime is 765464563. The next prime is 765464591. The reversal of 765464568 is 865464567.
765464568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 765464568.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (765464563) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588 + ... + 39131.
It is an arithmetic number, because the mean of its divisors is an integer number (33066900).
Almost surely, 2765464568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 765464568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058140800).
765464568 is an abundant number, since it is smaller than the sum of its proper divisors (1350817032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
765464568 is a wasteful number, since it uses less digits than its factorization.
765464568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39812 (or 39808 counting only the distinct ones).
The product of its digits is 4838400, while the sum is 51.
The square root of 765464568 is about 27667.0303429913. The cubic root of 765464568 is about 914.7625242955.
Subtracting 765464568 from its reverse (865464567), we obtain a palindrome (99999999).
The spelling of 765464568 in words is "seven hundred sixty-five million, four hundred sixty-four thousand, five hundred sixty-eight".
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