Base | Representation |
---|---|
bin | 1001100110001… |
… | …10000111001000 |
3 | 12121110222200111 |
4 | 10303012013020 |
5 | 131102100430 |
6 | 11553244104 |
7 | 1665160216 |
oct | 463060710 |
9 | 177428614 |
10 | 80503240 |
11 | 41495304 |
12 | 22b63634 |
13 | 138a846c |
14 | a997cb6 |
15 | 7102c2a |
hex | 4cc61c8 |
80503240 has 32 divisors (see below), whose sum is σ = 182448000. Its totient is φ = 31967424.
The previous prime is 80503219. The next prime is 80503271. The reversal of 80503240 is 4230508.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 12799.
It is an arithmetic number, because the mean of its divisors is an integer number (5701500).
Almost surely, 280503240 is an apocalyptic number.
It is an amenable number.
80503240 is an abundant number, since it is smaller than the sum of its proper divisors (101944760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80503240 is a wasteful number, since it uses less digits than its factorization.
80503240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14629 (or 14625 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 80503240 is about 8972.3597787873. The cubic root of 80503240 is about 431.7885482090.
Adding to 80503240 its reverse (4230508), we get a palindrome (84733748).
The spelling of 80503240 in words is "eighty million, five hundred three thousand, two hundred forty".
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