Base | Representation |
---|---|
bin | 100000000011… |
… | …110001110000 |
3 | 120210222020020 |
4 | 200003301300 |
5 | 4122412310 |
6 | 500043440 |
7 | 131301456 |
oct | 40036160 |
9 | 16728206 |
10 | 8404080 |
11 | 4820123 |
12 | 2993580 |
13 | 1983339 |
14 | 118a9d6 |
15 | b10170 |
hex | 803c70 |
8404080 has 120 divisors (see below), whose sum is σ = 27779472. Its totient is φ = 2101248.
The previous prime is 8404021. The next prime is 8404111. The reversal of 8404080 is 804048.
It is a tau number, because it is divible by the number of its divisors (120).
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 8404080.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86592 + ... + 86688.
Almost surely, 28404080 is an apocalyptic number.
8404080 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 8404080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13889736).
8404080 is an abundant number, since it is smaller than the sum of its proper divisors (19375392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8404080 is a wasteful number, since it uses less digits than its factorization.
8404080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151 (or 126 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 24.
The square root of 8404080 is about 2898.9791306596. The cubic root of 8404080 is about 203.3121779178.
The spelling of 8404080 in words is "eight million, four hundred four thousand, eighty".
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