Base | Representation |
---|---|
bin | 100101111101111011000 |
3 | 2100012121112 |
4 | 10233233120 |
5 | 304302440 |
6 | 42355452 |
7 | 13401113 |
oct | 4575730 |
9 | 2305545 |
10 | 1244120 |
11 | 77a7a9 |
12 | 4bbb88 |
13 | 347387 |
14 | 24557a |
15 | 198965 |
hex | 12fbd8 |
1244120 has 32 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 471168.
The previous prime is 1244099. The next prime is 1244141. The reversal of 1244120 is 214421.
1244120 = T112 + T113 + ... + T206.
It is an interprime number because it is at equal distance from previous prime (1244099) and next prime (1244141).
It is a plaindrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 1244095 and 1244104.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 59 + ... + 1578.
21244120 is an apocalyptic number.
1244120 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 1244120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474200).
1244120 is an abundant number, since it is smaller than the sum of its proper divisors (1704280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1244120 is a wasteful number, since it uses less digits than its factorization.
1244120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1667 (or 1663 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 1244120 is about 1115.4012730852. The cubic root of 1244120 is about 107.5525612803.
Adding to 1244120 its reverse (214421), we get a palindrome (1458541).
The spelling of 1244120 in words is "one million, two hundred forty-four thousand, one hundred twenty".
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