Base | Representation |
---|---|
bin | 1100100111111110… |
… | …0101110010101000 |
3 | 22202011210110111211 |
4 | 3021333211302220 |
5 | 23420023442110 |
6 | 1320135402504 |
7 | 146660043406 |
oct | 31177456250 |
9 | 8664713454 |
10 | 3388890280 |
11 | 1489a38476 |
12 | 7a6b23434 |
13 | 420136129 |
14 | 242118476 |
15 | 14c7b098a |
hex | c9fe5ca8 |
3388890280 has 16 divisors (see below), whose sum is σ = 7625003220. Its totient is φ = 1355556096.
The previous prime is 3388890251. The next prime is 3388890289. The reversal of 3388890280 is 820988833.
It can be written as a sum of positive squares in 2 ways, for example, as 2758980676 + 629909604 = 52526^2 + 25098^2 .
It is a super-2 number, since 2×33888902802 = 22969154659756956800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3388890289) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42361089 + ... + 42361168.
Almost surely, 23388890280 is an apocalyptic number.
It is an amenable number.
3388890280 is an abundant number, since it is smaller than the sum of its proper divisors (4236112940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3388890280 is a wasteful number, since it uses less digits than its factorization.
3388890280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84722268 (or 84722264 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 49.
The square root of 3388890280 is about 58214.1759367940. The cubic root of 3388890280 is about 1502.0550026164.
The spelling of 3388890280 in words is "three billion, three hundred eighty-eight million, eight hundred ninety thousand, two hundred eighty".
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