Base | Representation |
---|---|
bin | 1110010100011… |
… | …11001100111100 |
3 | 22101000221110012 |
4 | 13022033030330 |
5 | 221222433340 |
6 | 15530402352 |
7 | 2656016246 |
oct | 712171474 |
9 | 271027405 |
10 | 120124220 |
11 | 61897117 |
12 | 342903b8 |
13 | 1bb6b628 |
14 | 11d4d096 |
15 | a82c565 |
hex | 728f33c |
120124220 has 24 divisors (see below), whose sum is σ = 254252544. Its totient is φ = 47670336.
The previous prime is 120124211. The next prime is 120124223. The reversal of 120124220 is 22421021.
It is a junction number, because it is equal to n+sod(n) for n = 120124195 and 120124204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120124223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21107 + ... + 26186.
It is an arithmetic number, because the mean of its divisors is an integer number (10593856).
Almost surely, 2120124220 is an apocalyptic number.
120124220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120124220 is an abundant number, since it is smaller than the sum of its proper divisors (134128324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120124220 is a wasteful number, since it uses less digits than its factorization.
120124220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47429 (or 47427 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 120124220 is about 10960.1195248957. The cubic root of 120124220 is about 493.4125522082.
Adding to 120124220 its reverse (22421021), we get a palindrome (142545241).
The spelling of 120124220 in words is "one hundred twenty million, one hundred twenty-four thousand, two hundred twenty".
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