Base | Representation |
---|---|
bin | 100101000101011… |
… | …1000011001011110 |
3 | 10012201111100211120 |
4 | 1022022320121132 |
5 | 10022024211210 |
6 | 323251031410 |
7 | 42556640316 |
oct | 11212703136 |
9 | 3181440746 |
10 | 1244366430 |
11 | 589459a0a |
12 | 2a889b566 |
13 | 16aa595c8 |
14 | bb39c446 |
15 | 743a1270 |
hex | 4a2b865e |
1244366430 has 64 divisors (see below), whose sum is σ = 3147932160. Its totient is φ = 313939584.
The previous prime is 1244366371. The next prime is 1244366437. The reversal of 1244366430 is 346634421.
It is a super-2 number, since 2×12443664302 = 3096895624221889800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1244366391 and 1244366400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1244366437) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778392 + ... + 779988.
It is an arithmetic number, because the mean of its divisors is an integer number (49186440).
Almost surely, 21244366430 is an apocalyptic number.
1244366430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1244366430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573966080).
1244366430 is an abundant number, since it is smaller than the sum of its proper divisors (1903565730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1244366430 is a wasteful number, since it uses less digits than its factorization.
1244366430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2993.
The product of its (nonzero) digits is 41472, while the sum is 33.
The square root of 1244366430 is about 35275.5783793831. The cubic root of 1244366430 is about 1075.5966199622.
The spelling of 1244366430 in words is "one billion, two hundred forty-four million, three hundred sixty-six thousand, four hundred thirty".
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