| Base | Representation |
|---|---|
| bin | 1110110100101… |
| … | …01011110011100 |
| 3 | 22122222100012111 |
| 4 | 13122111132130 |
| 5 | 223313003340 |
| 6 | 20201043404 |
| 7 | 3036623410 |
| oct | 732253634 |
| 9 | 278870174 |
| 10 | 124344220 |
| 11 | 64209720 |
| 12 | 35786564 |
| 13 | 1c9b8380 |
| 14 | 1272ad40 |
| 15 | adb2aea |
| hex | 769579c |
124344220 has 96 divisors (see below), whose sum is σ = 350654976. Its totient is φ = 35769600.
The previous prime is 124344179. The next prime is 124344223. The reversal of 124344220 is 22443421.
It is a happy number.
It is a super-2 number, since 2×1243442202 = 30922970094816800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 124344191 and 124344200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124344223) 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, 16915 + ... + 23125.
It is an arithmetic number, because the mean of its divisors is an integer number (3652656).
Almost surely, 2124344220 is an apocalyptic number.
124344220 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 124344220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175327488).
124344220 is an abundant number, since it is smaller than the sum of its proper divisors (226310756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124344220 is a wasteful number, since it uses less digits than its factorization.
124344220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6251 (or 6249 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 124344220 is about 11150.9739484944. The cubic root of 124344220 is about 499.1240931370.
Adding to 124344220 its reverse (22443421), we get a palindrome (146787641).
The spelling of 124344220 in words is "one hundred twenty-four million, three hundred forty-four thousand, two hundred twenty".
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