| Base | Representation |
|---|---|
| bin | 100100100010100… |
| … | …0001111100100000 |
| 3 | 10011110001001220100 |
| 4 | 1021011001330200 |
| 5 | 10002332233311 |
| 6 | 321354342400 |
| 7 | 42245204463 |
| oct | 11105017440 |
| 9 | 3143031810 |
| 10 | 1226055456 |
| 11 | 57a09267a |
| 12 | 2a272aa00 |
| 13 | 167017c02 |
| 14 | b8b932da |
| 15 | 72985a56 |
| hex | 49141f20 |
1226055456 has 144 divisors (see below), whose sum is σ = 3641863680. Its totient is φ = 390804480.
The previous prime is 1226055449. The next prime is 1226055491. The reversal of 1226055456 is 6545506221.
1226055456 is a `hidden beast` number, since 1 + 2 + 2 + 605 + 5 + 45 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 1226055456.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 793821 + ... + 795363.
It is an arithmetic number, because the mean of its divisors is an integer number (25290720).
Almost surely, 21226055456 is an apocalyptic number.
1226055456 is a gapful number since it is divisible by the number (16) 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 1226055456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820931840).
1226055456 is an abundant number, since it is smaller than the sum of its proper divisors (2415808224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1226055456 is a wasteful number, since it uses less digits than its factorization.
1226055456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1679 (or 1668 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The square root of 1226055456 is about 35015.0746964789. The cubic root of 1226055456 is about 1070.2946915911.
The spelling of 1226055456 in words is "one billion, two hundred twenty-six million, fifty-five thousand, four hundred fifty-six".
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