Base | Representation |
---|---|
bin | 101101110111010… |
… | …101010101010100 |
3 | 1222121220122011000 |
4 | 231313111111110 |
5 | 3033441330040 |
6 | 204204343300 |
7 | 25032320661 |
oct | 5567252524 |
9 | 1877818130 |
10 | 769480020 |
11 | 365395801 |
12 | 195844b30 |
13 | c355832a |
14 | 742a2a68 |
15 | 47849130 |
hex | 2ddd5554 |
769480020 has 48 divisors (see below), whose sum is σ = 2393939520. Its totient is φ = 205194528.
The previous prime is 769480013. The next prime is 769480021. The reversal of 769480020 is 20084967.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (769480021) 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 15 ways as a sum of consecutive naturals, for example, 711942 + ... + 713021.
It is an arithmetic number, because the mean of its divisors is an integer number (49873740).
Almost surely, 2769480020 is an apocalyptic number.
It is an amenable number.
769480020 is an abundant number, since it is smaller than the sum of its proper divisors (1624459500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
769480020 is a wasteful number, since it uses less digits than its factorization.
769480020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1424981 (or 1424973 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 769480020 is about 27739.5028794678. The cubic root of 769480020 is about 916.3592804434.
The spelling of 769480020 in words is "seven hundred sixty-nine million, four hundred eighty thousand, twenty".
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