Base | Representation |
---|---|
bin | 1001100110000… |
… | …00011010011111 |
3 | 12121102210200011 |
4 | 10303000122133 |
5 | 131100324103 |
6 | 11552544051 |
7 | 1665032200 |
oct | 463003237 |
9 | 177383604 |
10 | 80479903 |
11 | 41479819 |
12 | 22b52027 |
13 | 1389a95a |
14 | a98d5a7 |
15 | 70ead6d |
hex | 4cc069f |
80479903 has 6 divisors (see below), whose sum is σ = 93619536. Its totient is φ = 68982732.
The previous prime is 80479891. The next prime is 80479909. The reversal of 80479903 is 30997408.
It is not a de Polignac number, because 80479903 - 221 = 78382751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80479909) 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 5 ways as a sum of consecutive naturals, for example, 821175 + ... + 821272.
It is an arithmetic number, because the mean of its divisors is an integer number (15603256).
Almost surely, 280479903 is an apocalyptic number.
80479903 is a deficient number, since it is larger than the sum of its proper divisors (13139633).
80479903 is a wasteful number, since it uses less digits than its factorization.
80479903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1642461 (or 1642454 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 80479903 is about 8971.0591905304. The cubic root of 80479903 is about 431.7468205998.
The spelling of 80479903 in words is "eighty million, four hundred seventy-nine thousand, nine hundred three".
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