Base | Representation |
---|---|
bin | 101111111011000… |
… | …010000011110000 |
3 | 2002000212122020220 |
4 | 233323002003300 |
5 | 3121311112310 |
6 | 211440333040 |
7 | 25631631135 |
oct | 5773020360 |
9 | 2060778226 |
10 | 804004080 |
11 | 382926190 |
12 | 1a5314180 |
13 | ca755579 |
14 | 78acc58c |
15 | 4a8b8670 |
hex | 2fec20f0 |
804004080 has 160 divisors (see below), whose sum is σ = 2792821248. Its totient is φ = 189619200.
The previous prime is 804004079. The next prime is 804004109. The reversal of 804004080 is 80400408.
804004080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a self number, because there is not a number n which added to its sum of digits gives 804004080.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93565 + ... + 101795.
Almost surely, 2804004080 is an apocalyptic number.
804004080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 804004080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396410624).
804004080 is an abundant number, since it is smaller than the sum of its proper divisors (1988817168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804004080 is a wasteful number, since it uses less digits than its factorization.
804004080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8295 (or 8289 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 804004080 is about 28354.9657026772. The cubic root of 804004080 is about 929.8639643780.
Adding to 804004080 its reverse (80400408), we get a palindrome (884404488).
The spelling of 804004080 in words is "eight hundred four million, four thousand, eighty".
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