Base | Representation |
---|---|
bin | 101111111001001… |
… | …011111011110000 |
3 | 2001222222001112220 |
4 | 233321023323300 |
5 | 3121200121430 |
6 | 211422121040 |
7 | 25624544415 |
oct | 5771137360 |
9 | 2058861486 |
10 | 803520240 |
11 | 382625716 |
12 | 1a5120180 |
13 | ca616283 |
14 | 78a0410c |
15 | 4a820110 |
hex | 2fe4bef0 |
803520240 has 40 divisors (see below), whose sum is σ = 2490913488. Its totient is φ = 214272000.
The previous prime is 803520229. The next prime is 803520247. The reversal of 803520240 is 42025308.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 803520240.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (803520247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673761 + ... + 1674240.
Almost surely, 2803520240 is an apocalyptic number.
803520240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
803520240 is an abundant number, since it is smaller than the sum of its proper divisors (1687393248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
803520240 is a wasteful number, since it uses less digits than its factorization.
803520240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3348017 (or 3348011 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 803520240 is about 28346.4325797798. The cubic root of 803520240 is about 929.6773999599.
Adding to 803520240 its reverse (42025308), we get a palindrome (845545548).
The spelling of 803520240 in words is "eight hundred three million, five hundred twenty thousand, two hundred forty".
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