| Base | Representation |
|---|---|
| bin | 110000001010010… |
| … | …1110001001100000 |
| 3 | 11011121212120111012 |
| 4 | 1200110232021200 |
| 5 | 11302201412030 |
| 6 | 424205240052 |
| 7 | 55022103260 |
| oct | 14024561140 |
| 9 | 4147776435 |
| 10 | 1616044640 |
| 11 | 75a240291 |
| 12 | 391263028 |
| 13 | 1c9a62a42 |
| 14 | 1148ad7a0 |
| 15 | 96d1d095 |
| hex | 6052e260 |
1616044640 has 96 divisors (see below), whose sum is σ = 4402278720. Its totient is φ = 549169152.
The previous prime is 1616044637. The next prime is 1616044649. The reversal of 1616044640 is 464406161.
It is a super-2 number, since 2×16160446402 = 5223200556945459200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 1616044597 and 1616044606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1616044649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14301224 + ... + 14301336.
It is an arithmetic number, because the mean of its divisors is an integer number (45857070).
Almost surely, 21616044640 is an apocalyptic number.
1616044640 is a gapful number since it is divisible by the number (10) 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 1616044640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2201139360).
1616044640 is an abundant number, since it is smaller than the sum of its proper divisors (2786234080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1616044640 is an frugal number, since it uses more digits than its factorization.
1616044640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361 (or 127 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 1616044640 is about 40200.0577114014. The cubic root of 1616044640 is about 1173.5036670183.
The spelling of 1616044640 in words is "one billion, six hundred sixteen million, forty-four thousand, six hundred forty".
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