Base | Representation |
---|---|
bin | 101101110101101… |
… | …011110101000000 |
3 | 1222121002200100112 |
4 | 231311223311000 |
5 | 3033334012442 |
6 | 204151210452 |
7 | 25025541035 |
oct | 5565536500 |
9 | 1877080315 |
10 | 769047872 |
11 | 36512005a |
12 | 195676a28 |
13 | c3436718 |
14 | 741cd38c |
15 | 477b1082 |
hex | 2dd6bd40 |
769047872 has 56 divisors (see below), whose sum is σ = 1601272896. Its totient is φ = 365764608.
The previous prime is 769047869. The next prime is 769047883. The reversal of 769047872 is 278740967.
It is a self number, because there is not a number n which added to its sum of digits gives 769047872.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282743 + ... + 285449.
Almost surely, 2769047872 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 769047872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800636448).
769047872 is an abundant number, since it is smaller than the sum of its proper divisors (832225024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
769047872 is a wasteful number, since it uses less digits than its factorization.
769047872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2935 (or 2925 counting only the distinct ones).
The product of its (nonzero) digits is 1185408, while the sum is 50.
The square root of 769047872 is about 27731.7123885273. The cubic root of 769047872 is about 916.1877026782.
The spelling of 769047872 in words is "seven hundred sixty-nine million, forty-seven thousand, eight hundred seventy-two".
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