Base | Representation |
---|---|
bin | 1001101000000… |
… | …01001111101010 |
3 | 12121221021221020 |
4 | 10310001033222 |
5 | 131132323300 |
6 | 12002353310 |
7 | 2000216322 |
oct | 464011752 |
9 | 177837836 |
10 | 80745450 |
11 | 41640285 |
12 | 2305b836 |
13 | 13961796 |
14 | aa1c282 |
15 | 714e8a0 |
hex | 4d013ea |
80745450 has 24 divisors (see below), whose sum is σ = 200249088. Its totient is φ = 21532080.
The previous prime is 80745439. The next prime is 80745463. The reversal of 80745450 is 5454708.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269002 + ... + 269301.
It is an arithmetic number, because the mean of its divisors is an integer number (8343712).
Almost surely, 280745450 is an apocalyptic number.
80745450 is an abundant number, since it is smaller than the sum of its proper divisors (119503638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80745450 is a wasteful number, since it uses less digits than its factorization.
80745450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538318 (or 538313 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 80745450 is about 8985.8472054671. The cubic root of 80745450 is about 432.2211551967.
The spelling of 80745450 in words is "eighty million, seven hundred forty-five thousand, four hundred fifty".
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