Base | Representation |
---|---|
bin | 1001100100001… |
… | …01111010000000 |
3 | 12120222121221100 |
4 | 10302011322000 |
5 | 131020142011 |
6 | 11543454400 |
7 | 1663013415 |
oct | 462057200 |
9 | 176877840 |
10 | 80240256 |
11 | 41325768 |
12 | 22a57400 |
13 | 13815855 |
14 | a92a10c |
15 | 709ed56 |
hex | 4c85e80 |
80240256 has 48 divisors (see below), whose sum is σ = 230903010. Its totient is φ = 26746368.
The previous prime is 80240207. The next prime is 80240269. The reversal of 80240256 is 65204208.
It can be written as a sum of positive squares in only one way, i.e., 46785600 + 33454656 = 6840^2 + 5784^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33675 + ... + 35978.
Almost surely, 280240256 is an apocalyptic number.
It is an amenable number.
80240256 is an abundant number, since it is smaller than the sum of its proper divisors (150662754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80240256 is a wasteful number, since it uses less digits than its factorization.
80240256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69673 (or 69658 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 80240256 is about 8957.6925600291. The cubic root of 80240256 is about 431.3178534695.
The spelling of 80240256 in words is "eighty million, two hundred forty thousand, two hundred fifty-six".
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