| Base | Representation |
|---|---|
| bin | 100101000011101… |
| … | …0110011110010100 |
| 3 | 10012122202100110000 |
| 4 | 1022013112132110 |
| 5 | 10021310103134 |
| 6 | 323215131300 |
| 7 | 42546034356 |
| oct | 11207263624 |
| 9 | 3178670400 |
| 10 | 1243441044 |
| 11 | 58898772a |
| 12 | 2a8513b30 |
| 13 | 16a7c4341 |
| 14 | bb1db0d6 |
| 15 | 7426be99 |
| hex | 4a1d6794 |
1243441044 has 120 divisors (see below), whose sum is σ = 3317224680. Its totient is φ = 406093824.
The previous prime is 1243441027. The next prime is 1243441057. The reversal of 1243441044 is 4401443421.
1243441044 is a `hidden beast` number, since 1 + 243 + 4 + 410 + 4 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 724148100 + 519292944 = 26910^2 + 22788^2 .
It is a super-2 number, since 2×12434410442 = 3092291259807619872, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1243440999 and 1243441017.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4838164 + ... + 4838420.
It is an arithmetic number, because the mean of its divisors is an integer number (27643539).
Almost surely, 21243441044 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 1243441044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658612340).
1243441044 is an abundant number, since it is smaller than the sum of its proper divisors (2073783636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243441044 is a wasteful number, since it uses less digits than its factorization.
1243441044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 519 (or 508 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
The square root of 1243441044 is about 35262.4594150777. The cubic root of 1243441044 is about 1075.3299276483.
Adding to 1243441044 its reverse (4401443421), we get a palindrome (5644884465).
The spelling of 1243441044 in words is "one billion, two hundred forty-three million, four hundred forty-one thousand, forty-four".
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