Base | Representation |
---|---|
bin | 1010101100110011… |
… | …1111101010101000 |
3 | 21102011202111012011 |
4 | 2223030333222220 |
5 | 21340302413230 |
6 | 1153003325304 |
7 | 131115143626 |
oct | 25314775250 |
9 | 7364674164 |
10 | 2872310440 |
11 | 124438738a |
12 | 681b20834 |
13 | 36a0c759c |
14 | 1d3688516 |
15 | 11c26ee2a |
hex | ab33faa8 |
2872310440 has 32 divisors (see below), whose sum is σ = 6544512000. Its totient is φ = 1134379584.
The previous prime is 2872310411. The next prime is 2872310443. The reversal of 2872310440 is 440132782.
It is not an unprimeable number, because it can be changed into a prime (2872310443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451320 + ... + 457639.
It is an arithmetic number, because the mean of its divisors is an integer number (204516000).
Almost surely, 22872310440 is an apocalyptic number.
2872310440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2872310440 is an abundant number, since it is smaller than the sum of its proper divisors (3672201560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2872310440 is a wasteful number, since it uses less digits than its factorization.
2872310440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 909049 (or 909045 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 31.
The square root of 2872310440 is about 53593.9403291081. The cubic root of 2872310440 is about 1421.4899457375.
The spelling of 2872310440 in words is "two billion, eight hundred seventy-two million, three hundred ten thousand, four hundred forty".
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