Base | Representation |
---|---|
bin | 11110110010111101010000 |
3 | 120012011010111 |
4 | 132302331100 |
5 | 4031314130 |
6 | 445011104 |
7 | 125422363 |
oct | 36627520 |
9 | 16164114 |
10 | 8073040 |
11 | 4614438 |
12 | 2853a94 |
13 | 1898761 |
14 | 11020da |
15 | a9702a |
hex | 7b2f50 |
8073040 has 20 divisors (see below), whose sum is σ = 18770004. Its totient is φ = 3229184.
The previous prime is 8073001. The next prime is 8073041. The reversal of 8073040 is 403708.
It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 7096896 = 988^2 + 2664^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8073041) 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 3 ways as a sum of consecutive naturals, for example, 50377 + ... + 50536.
Almost surely, 28073040 is an apocalyptic number.
8073040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8073040 is an abundant number, since it is smaller than the sum of its proper divisors (10696964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8073040 is a wasteful number, since it uses less digits than its factorization.
8073040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100926 (or 100920 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 8073040 is about 2841.3095572288. The cubic root of 8073040 is about 200.6068236300.
Adding to 8073040 its reverse (403708), we get a palindrome (8476748).
The spelling of 8073040 in words is "eight million, seventy-three thousand, forty".
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