Base | Representation |
---|---|
bin | 1100110101010110… |
… | …1000011101000000 |
3 | 22220002101010120121 |
4 | 3031111220131000 |
5 | 24023410000000 |
6 | 1325502150024 |
7 | 151241005531 |
oct | 31525503500 |
9 | 8802333517 |
10 | 3445000000 |
11 | 1508681542 |
12 | 801882314 |
13 | 42b950450 |
14 | 249762688 |
15 | 152695b1a |
hex | cd568740 |
3445000000 has 224 divisors, whose sum is σ = 9376147872. Its totient is φ = 1248000000.
The previous prime is 3444999973. The next prime is 3445000019. The reversal of 3445000000 is 5443.
It can be written as a sum of positive squares in 16 ways, for example, as 1100116224 + 2344883776 = 33168^2 + 48424^2 .
It is a sliding number, since 3445000000 = 320000000 + 3125000000 and 1/320000000 + 1/3125000000 = 0.000000003445000000.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64999974 + ... + 65000026.
It is an arithmetic number, because the mean of its divisors is an integer number (41857803).
Almost surely, 23445000000 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 3445000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688073936).
3445000000 is an abundant number, since it is smaller than the sum of its proper divisors (5931147872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3445000000 is an frugal number, since it uses more digits than its factorization.
3445000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113 (or 73 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 3445000000 is about 58694.1223633168. The cubic root of 3445000000 is about 1510.2994888618.
Adding to 3445000000 its reverse (5443), we get a palindrome (3445005443).
The spelling of 3445000000 in words is "three billion, four hundred forty-five million", and thus it is an aban number.
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