Base | Representation |
---|---|
bin | 1110101101101… |
… | …10011100110010 |
3 | 22121020221002122 |
4 | 13112312130302 |
5 | 223044240311 |
6 | 20125314242 |
7 | 3026100200 |
oct | 726663462 |
9 | 277227078 |
10 | 123430706 |
11 | 63745353 |
12 | 35405982 |
13 | 1c758629 |
14 | 12570070 |
15 | ac820db |
hex | 75b6732 |
123430706 has 48 divisors (see below), whose sum is σ = 221616000. Its totient is φ = 51393888.
The previous prime is 123430679. The next prime is 123430709. The reversal of 123430706 is 607034321.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (123430709) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828320 + ... + 828468.
It is an arithmetic number, because the mean of its divisors is an integer number (4617000).
Almost surely, 2123430706 is an apocalyptic number.
123430706 is a deficient number, since it is larger than the sum of its proper divisors (98185294).
123430706 is a wasteful number, since it uses less digits than its factorization.
123430706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351 (or 344 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 123430706 is about 11109.9372635492. The cubic root of 123430706 is about 497.8987902041.
The spelling of 123430706 in words is "one hundred twenty-three million, four hundred thirty thousand, seven hundred six".
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