Base | Representation |
---|---|
bin | 1001100110000… |
… | …00001011101010 |
3 | 12121102202101000 |
4 | 10303000023222 |
5 | 131100311304 |
6 | 11552535430 |
7 | 1665026343 |
oct | 463001352 |
9 | 177382330 |
10 | 80478954 |
11 | 41479036 |
12 | 22b51576 |
13 | 1389a3aa |
14 | a98d0ca |
15 | 70ea939 |
hex | 4cc02ea |
80478954 has 16 divisors (see below), whose sum is σ = 178842240. Its totient is φ = 26826300.
The previous prime is 80478949. The next prime is 80478971. The reversal of 80478954 is 45987408.
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, 745122 + ... + 745229.
It is an arithmetic number, because the mean of its divisors is an integer number (11177640).
Almost surely, 280478954 is an apocalyptic number.
80478954 is an abundant number, since it is smaller than the sum of its proper divisors (98363286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80478954 is a wasteful number, since it uses less digits than its factorization.
80478954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1490362 (or 1490356 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 80478954 is about 8971.0062980694. The cubic root of 80478954 is about 431.7451235743.
The spelling of 80478954 in words is "eighty million, four hundred seventy-eight thousand, nine hundred fifty-four".
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