Base | Representation |
---|---|
bin | 1110101100100… |
… | …00000100000000 |
3 | 22120221221102011 |
4 | 13112100010000 |
5 | 223024222342 |
6 | 20122102304 |
7 | 3024543610 |
oct | 726200400 |
9 | 276857364 |
10 | 123273472 |
11 | 63648203 |
12 | 3534a994 |
13 | 1c701baa |
14 | 1252ca40 |
15 | ac50717 |
hex | 7590100 |
123273472 has 36 divisors (see below), whose sum is σ = 281221696. Its totient is φ = 52830720.
The previous prime is 123273467. The next prime is 123273481. The reversal of 123273472 is 274372321.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32604 + ... + 36187.
Almost surely, 2123273472 is an apocalyptic number.
It is an amenable number.
123273472 is an abundant number, since it is smaller than the sum of its proper divisors (157948224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123273472 is an frugal number, since it uses more digits than its factorization.
123273472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68814 (or 68800 counting only the distinct ones).
The product of its digits is 14112, while the sum is 31.
The square root of 123273472 is about 11102.8587309755. The cubic root of 123273472 is about 497.6872818293.
The spelling of 123273472 in words is "one hundred twenty-three million, two hundred seventy-three thousand, four hundred seventy-two".
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