Base | Representation |
---|---|
bin | 101101111000101… |
… | …000001100001001 |
3 | 1222122112212200200 |
4 | 231320220030021 |
5 | 3034033210101 |
6 | 204215522413 |
7 | 25035233301 |
oct | 5570501411 |
9 | 1878485620 |
10 | 769819401 |
11 | 3655a778a |
12 | 195989409 |
13 | c3646950 |
14 | 74350601 |
15 | 478b4986 |
hex | 2de28309 |
769819401 has 12 divisors (see below), whose sum is σ = 1197497028. Its totient is φ = 473734944.
The previous prime is 769819397. The next prime is 769819423. The reversal of 769819401 is 104918967.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 169520400 + 600299001 = 13020^2 + 24501^2 .
It is not a de Polignac number, because 769819401 - 22 = 769819397 is a prime.
It is not an unprimeable number, because it can be changed into a prime (769819201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3289710 + ... + 3289943.
It is an arithmetic number, because the mean of its divisors is an integer number (99791419).
Almost surely, 2769819401 is an apocalyptic number.
It is an amenable number.
769819401 is a deficient number, since it is larger than the sum of its proper divisors (427677627).
769819401 is a wasteful number, since it uses less digits than its factorization.
769819401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6579672 (or 6579669 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The square root of 769819401 is about 27745.6194920928. The cubic root of 769819401 is about 916.4939814581.
The spelling of 769819401 in words is "seven hundred sixty-nine million, eight hundred nineteen thousand, four hundred one".
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