Base | Representation |
---|---|
bin | 1010101100110111… |
… | …1000111010011000 |
3 | 21102012012101211121 |
4 | 2223031320322120 |
5 | 21340332414140 |
6 | 1153012335024 |
7 | 131120141350 |
oct | 25315707230 |
9 | 7365171747 |
10 | 2872544920 |
11 | 1244527573 |
12 | 682014474 |
13 | 36a17a22b |
14 | 1d3709b60 |
15 | 11c2b964a |
hex | ab378e98 |
2872544920 has 64 divisors (see below), whose sum is σ = 7391177280. Its totient is φ = 984254976.
The previous prime is 2872544891. The next prime is 2872544929. The reversal of 2872544920 is 294452782.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872544929) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815002 + ... + 818518.
It is an arithmetic number, because the mean of its divisors is an integer number (115487145).
Almost surely, 22872544920 is an apocalyptic number.
2872544920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2872544920 is an abundant number, since it is smaller than the sum of its proper divisors (4518632360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2872544920 is a wasteful number, since it uses less digits than its factorization.
2872544920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6452 (or 6448 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 43.
The square root of 2872544920 is about 53596.1278452091. The cubic root of 2872544920 is about 1421.5286256202.
The spelling of 2872544920 in words is "two billion, eight hundred seventy-two million, five hundred forty-four thousand, nine hundred twenty".
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