Base | Representation |
---|---|
bin | 1111111100100000… |
… | …1010111010100100 |
3 | 102001022012101120121 |
4 | 3333020022322210 |
5 | 32231231110230 |
6 | 1544422211324 |
7 | 211033135603 |
oct | 37710127244 |
9 | 12038171517 |
10 | 4280331940 |
11 | 18a7154815 |
12 | 9b5583b44 |
13 | 532a241c1 |
14 | 2c8687a3a |
15 | 1a0b9b77a |
hex | ff20aea4 |
4280331940 has 96 divisors (see below), whose sum is σ = 9458920800. Its totient is φ = 1625395200.
The previous prime is 4280331911. The next prime is 4280331953. The reversal of 4280331940 is 491330824.
It can be written as a sum of positive squares in 16 ways, for example, as 1743396516 + 2536935424 = 41754^2 + 50368^2 .
It is a junction number, because it is equal to n+sod(n) for n = 4280331896 and 4280331905.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 6475210 + ... + 6475870.
It is an arithmetic number, because the mean of its divisors is an integer number (98530425).
Almost surely, 24280331940 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 4280331940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4729460400).
4280331940 is an abundant number, since it is smaller than the sum of its proper divisors (5178588860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4280331940 is a wasteful number, since it uses less digits than its factorization.
4280331940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913 (or 911 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 4280331940 is about 65424.2458114727. The cubic root of 4280331940 is about 1623.6502483364.
The spelling of 4280331940 in words is "four billion, two hundred eighty million, three hundred thirty-one thousand, nine hundred forty".
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