Base | Representation |
---|---|
bin | 1010110000110101… |
… | …1100011111101100 |
3 | 21110100112212012000 |
4 | 2230031130133230 |
5 | 21404114040430 |
6 | 1154405412300 |
7 | 131411562231 |
oct | 25415343754 |
9 | 7410485160 |
10 | 2889205740 |
11 | 1252977043 |
12 | 68770a090 |
13 | 3707617c5 |
14 | 1d5a05788 |
15 | 11d9aae60 |
hex | ac35c7ec |
2889205740 has 144 divisors (see below), whose sum is σ = 9487265760. Its totient is φ = 729855360.
The previous prime is 2889205729. The next prime is 2889205757. The reversal of 2889205740 is 475029882.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187530 + ... + 202350.
It is an arithmetic number, because the mean of its divisors is an integer number (65883790).
Almost surely, 22889205740 is an apocalyptic number.
2889205740 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 2889205740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4743632880).
2889205740 is an abundant number, since it is smaller than the sum of its proper divisors (6598060020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2889205740 is a wasteful number, since it uses less digits than its factorization.
2889205740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14877 (or 14850 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 2889205740 is about 53751.3324486008. The cubic root of 2889205740 is about 1424.2716277644.
The spelling of 2889205740 in words is "two billion, eight hundred eighty-nine million, two hundred five thousand, seven hundred forty".
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