Base | Representation |
---|---|
bin | 111101001110001… |
… | …0011101001100100 |
3 | 12022011102020201010 |
4 | 1322130103221210 |
5 | 13201341201433 |
6 | 535501302220 |
7 | 101622521301 |
oct | 17234235144 |
9 | 5264366633 |
10 | 2054240868 |
11 | 964624629 |
12 | 493b64970 |
13 | 269788b54 |
14 | 156b780a8 |
15 | c0528e63 |
hex | 7a713a64 |
2054240868 has 48 divisors (see below), whose sum is σ = 4996474560. Its totient is φ = 656073600.
The previous prime is 2054240821. The next prime is 2054240869. The reversal of 2054240868 is 8680424502.
It is a super-2 number, since 2×20542408682 = 8439811087522786848, which contains 22 as substring.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (2054240869) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23058 + ... + 68118.
It is an arithmetic number, because the mean of its divisors is an integer number (104093220).
Almost surely, 22054240868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2054240868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498237280).
2054240868 is an abundant number, since it is smaller than the sum of its proper divisors (2942233692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2054240868 is a wasteful number, since it uses less digits than its factorization.
2054240868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45228 (or 45226 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 39.
The square root of 2054240868 is about 45323.7340474061. The cubic root of 2054240868 is about 1271.2094762721.
The spelling of 2054240868 in words is "two billion, fifty-four million, two hundred forty thousand, eight hundred sixty-eight".
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