| Base | Representation |
|---|---|
| bin | 110000001011010… |
| … | …0111110101000000 |
| 3 | 11011122210220011110 |
| 4 | 1200112213311000 |
| 5 | 11302313334130 |
| 6 | 424224043320 |
| 7 | 55026250320 |
| oct | 14026476500 |
| 9 | 4148726143 |
| 10 | 1616543040 |
| 11 | 75a550792 |
| 12 | 391463540 |
| 13 | 1c9ba8858 |
| 14 | 11499d280 |
| 15 | 96dbaab0 |
| hex | 605a7d40 |
1616543040 has 224 divisors, whose sum is σ = 6121359360. Its totient is φ = 353396736.
The previous prime is 1616543023. The next prime is 1616543041. The reversal of 1616543040 is 403456161.
It is a tau number, because it is divible by the number of its divisors (224).
It is a super-2 number, since 2×16165430402 = 5226422800344883200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 1616542989 and 1616543007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1616543041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149331 + ... + 159789.
Almost surely, 21616543040 is an apocalyptic number.
1616543040 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 1616543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3060679680).
1616543040 is an abundant number, since it is smaller than the sum of its proper divisors (4504816320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1616543040 is a wasteful number, since it uses less digits than its factorization.
1616543040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10509 (or 10499 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 1616543040 is about 40206.2562295969. The cubic root of 1616543040 is about 1173.6242936597.
The spelling of 1616543040 in words is "one billion, six hundred sixteen million, five hundred forty-three thousand, forty".
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