Base | Representation |
---|---|
bin | 10000111001000… |
… | …000101010011100 |
3 | 201202020012210122 |
4 | 100321000222130 |
5 | 1040021133010 |
6 | 44041454112 |
7 | 10010456603 |
oct | 2071005234 |
9 | 652205718 |
10 | 283380380 |
11 | 135a62968 |
12 | 7aaa1338 |
13 | 4692c1ca |
14 | 298c8a3a |
15 | 19d29855 |
hex | 10e40a9c |
283380380 has 48 divisors (see below), whose sum is σ = 610690080. Its totient is φ = 110419200.
The previous prime is 283380371. The next prime is 283380389. The reversal of 283380380 is 83083382.
It is an interprime number because it is at equal distance from previous prime (283380371) and next prime (283380389).
It is a self number, because there is not a number n which added to its sum of digits gives 283380380.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (283380389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131915 + ... + 134045.
It is an arithmetic number, because the mean of its divisors is an integer number (12722710).
Almost surely, 2283380380 is an apocalyptic number.
283380380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
283380380 is an abundant number, since it is smaller than the sum of its proper divisors (327309700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
283380380 is a wasteful number, since it uses less digits than its factorization.
283380380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2310 (or 2308 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 283380380 is about 16833.9056668380. The cubic root of 283380380 is about 656.8354632621.
The spelling of 283380380 in words is "two hundred eighty-three million, three hundred eighty thousand, three hundred eighty".
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