Base | Representation |
---|---|
bin | 1001100101111… |
… | …10110000111001 |
3 | 12121102110101212 |
4 | 10302332300321 |
5 | 131100120040 |
6 | 11552452505 |
7 | 1665003404 |
oct | 462766071 |
9 | 177373355 |
10 | 80473145 |
11 | 41474735 |
12 | 22b4a135 |
13 | 1389785c |
14 | a98ad3b |
15 | 70e8d65 |
hex | 4cbec39 |
80473145 has 8 divisors (see below), whose sum is σ = 96621120. Its totient is φ = 64342960.
The previous prime is 80473123. The next prime is 80473153. The reversal of 80473145 is 54137408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80473145 - 212 = 80469049 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9476 + ... + 15834.
It is an arithmetic number, because the mean of its divisors is an integer number (12077640).
Almost surely, 280473145 is an apocalyptic number.
It is an amenable number.
80473145 is a deficient number, since it is larger than the sum of its proper divisors (16147975).
80473145 is a wasteful number, since it uses less digits than its factorization.
80473145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8895.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 80473145 is about 8970.6825269876. The cubic root of 80473145 is about 431.7347354847.
The spelling of 80473145 in words is "eighty million, four hundred seventy-three thousand, one hundred forty-five".
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