Base | Representation |
---|---|
bin | 10000101100100… |
… | …100111011111010 |
3 | 201112002121212220 |
4 | 100230210323322 |
5 | 1033202333312 |
6 | 43443544510 |
7 | 6640663353 |
oct | 2054447372 |
9 | 645077786 |
10 | 280121082 |
11 | 13413712a |
12 | 7998b136 |
13 | 4605a827 |
14 | 292bad2a |
15 | 198d3c8c |
hex | 10b24efa |
280121082 has 8 divisors (see below), whose sum is σ = 560242176. Its totient is φ = 93373692.
The previous prime is 280121069. The next prime is 280121119.
280121082 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
280121082 is an admirable number.
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, 23343418 + ... + 23343429.
It is an arithmetic number, because the mean of its divisors is an integer number (70030272).
Almost surely, 2280121082 is an apocalyptic number.
280121082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280121082 is a wasteful number, since it uses less digits than its factorization.
280121082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46686852.
The product of its (nonzero) digits is 512, while the sum is 24.
The square root of 280121082 is about 16736.8181563880. The cubic root of 280121082 is about 654.3075501743.
The spelling of 280121082 in words is "two hundred eighty million, one hundred twenty-one thousand, eighty-two".
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