Base | Representation |
---|---|
bin | 1110101100001… |
… | …00000001000010 |
3 | 22120212102201200 |
4 | 13112010001002 |
5 | 223021133010 |
6 | 20121042030 |
7 | 3024250011 |
oct | 726040102 |
9 | 276772650 |
10 | 123224130 |
11 | 63614127 |
12 | 35326316 |
13 | 1c6b55b3 |
14 | 12518a78 |
15 | ac40cc0 |
hex | 7584042 |
123224130 has 48 divisors (see below), whose sum is σ = 327210624. Its totient is φ = 32159520.
The previous prime is 123224117. The next prime is 123224159. The reversal of 123224130 is 31422321.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10336 + ... + 18795.
It is an arithmetic number, because the mean of its divisors is an integer number (6816888).
Almost surely, 2123224130 is an apocalyptic number.
123224130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123224130 is an abundant number, since it is smaller than the sum of its proper divisors (203986494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123224130 is a wasteful number, since it uses less digits than its factorization.
123224130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29191 (or 29188 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 123224130 is about 11100.6364682391. The cubic root of 123224130 is about 497.6208707769.
Adding to 123224130 its reverse (31422321), we get a palindrome (154646451).
The spelling of 123224130 in words is "one hundred twenty-three million, two hundred twenty-four thousand, one hundred thirty".
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