Base | Representation |
---|---|
bin | 1110110101011… |
… | …01101100100100 |
3 | 22200011101021212 |
4 | 13122231230210 |
5 | 223324142203 |
6 | 20203130552 |
7 | 3040515554 |
oct | 732555444 |
9 | 280141255 |
10 | 124443428 |
11 | 6427720a |
12 | 35813a58 |
13 | 1ca21585 |
14 | 12755164 |
15 | add21d8 |
hex | 76adb24 |
124443428 has 6 divisors (see below), whose sum is σ = 217776006. Its totient is φ = 62221712.
The previous prime is 124443427. The next prime is 124443433. The reversal of 124443428 is 824344421.
It can be written as a sum of positive squares in only one way, i.e., 122722084 + 1721344 = 11078^2 + 1312^2 .
It is a junction number, because it is equal to n+sod(n) for n = 124443394 and 124443403.
It is not an unprimeable number, because it can be changed into a prime (124443427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555425 + ... + 15555432.
It is an arithmetic number, because the mean of its divisors is an integer number (36296001).
Almost surely, 2124443428 is an apocalyptic number.
It is an amenable number.
124443428 is a deficient number, since it is larger than the sum of its proper divisors (93332578).
124443428 is a wasteful number, since it uses less digits than its factorization.
124443428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31110861 (or 31110859 counting only the distinct ones).
The product of its digits is 24576, while the sum is 32.
The square root of 124443428 is about 11155.4214622308. The cubic root of 124443428 is about 499.2567998544.
Adding to 124443428 its reverse (824344421), we get a palindrome (948787849).
The spelling of 124443428 in words is "one hundred twenty-four million, four hundred forty-three thousand, four hundred twenty-eight".
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