Base | Representation |
---|---|
bin | 101111111011100… |
… | …100010100111111 |
3 | 2002001010202210200 |
4 | 233323210110333 |
5 | 3121330110242 |
6 | 211443334543 |
7 | 25633054311 |
oct | 5773442477 |
9 | 2061122720 |
10 | 804144447 |
11 | 382a11697 |
12 | 1a5381453 |
13 | ca7a4422 |
14 | 78b277b1 |
15 | 4a8e504c |
hex | 2fee453f |
804144447 has 12 divisors (see below), whose sum is σ = 1167961704. Its totient is φ = 533133360.
The previous prime is 804144431. The next prime is 804144457. The reversal of 804144447 is 744441408.
It is not a de Polignac number, because 804144447 - 24 = 804144431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804144427) 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, 245193 + ... + 248450.
It is an arithmetic number, because the mean of its divisors is an integer number (97330142).
Almost surely, 2804144447 is an apocalyptic number.
804144447 is a deficient number, since it is larger than the sum of its proper divisors (363817257).
804144447 is a wasteful number, since it uses less digits than its factorization.
804144447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493830 (or 493827 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 36.
The square root of 804144447 is about 28357.4407695758. The cubic root of 804144447 is about 929.9180746424.
The spelling of 804144447 in words is "eight hundred four million, one hundred forty-four thousand, four hundred forty-seven".
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