Base | Representation |
---|---|
bin | 10000101101000… |
… | …000100100100000 |
3 | 201112022101011010 |
4 | 100231000210200 |
5 | 1033214444042 |
6 | 43450220520 |
7 | 6641644353 |
oct | 2055004440 |
9 | 645271133 |
10 | 280234272 |
11 | 13420417a |
12 | 79a24740 |
13 | 4609a1c6 |
14 | 2930a29a |
15 | 1990759c |
hex | 10b40920 |
280234272 has 24 divisors (see below), whose sum is σ = 735615216. Its totient is φ = 93411392.
The previous prime is 280234259. The next prime is 280234289. The reversal of 280234272 is 272432082.
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459458 + ... + 1459649.
It is an arithmetic number, because the mean of its divisors is an integer number (30650634).
Almost surely, 2280234272 is an apocalyptic number.
It is an amenable number.
280234272 is an abundant number, since it is smaller than the sum of its proper divisors (455380944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280234272 is a wasteful number, since it uses less digits than its factorization.
280234272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2919120 (or 2919112 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 280234272 is about 16740.1992819679. The cubic root of 280234272 is about 654.3956681385.
The spelling of 280234272 in words is "two hundred eighty million, two hundred thirty-four thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •