Base | Representation |
---|---|
bin | 1001100001001010… |
… | …0000111010100000 |
3 | 20121001122221201011 |
4 | 2120102200322200 |
5 | 20213034141430 |
6 | 1101310150304 |
7 | 120213026065 |
oct | 23022407240 |
9 | 6531587634 |
10 | 2554990240 |
11 | 10a1252a90 |
12 | 5b37b2394 |
13 | 31944405a |
14 | 1a3486c6c |
15 | ee48e22a |
hex | 984a0ea0 |
2554990240 has 96 divisors (see below), whose sum is σ = 6797468160. Its totient is φ = 899097600.
The previous prime is 2554990237. The next prime is 2554990247. The reversal of 2554990240 is 420994552.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 2554990193 and 2554990202.
It is not an unprimeable number, because it can be changed into a prime (2554990247) 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, 31146 + ... + 77974.
It is an arithmetic number, because the mean of its divisors is an integer number (70806960).
Almost surely, 22554990240 is an apocalyptic number.
2554990240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2554990240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3398734080).
2554990240 is an abundant number, since it is smaller than the sum of its proper divisors (4242477920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2554990240 is a wasteful number, since it uses less digits than its factorization.
2554990240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46886 (or 46878 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 40.
The square root of 2554990240 is about 50546.9112805125. The cubic root of 2554990240 is about 1367.0878236682.
The spelling of 2554990240 in words is "two billion, five hundred fifty-four million, nine hundred ninety thousand, two hundred forty".
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