Base | Representation |
---|---|
bin | 1110101010101… |
… | …11101010101010 |
3 | 22120112012112200 |
4 | 13111113222222 |
5 | 222444324344 |
6 | 20113121030 |
7 | 3022562262 |
oct | 725275252 |
9 | 276465480 |
10 | 123042474 |
11 | 634aa6a5 |
12 | 35259176 |
13 | 1c6509c9 |
14 | 124ac7a2 |
15 | ac07069 |
hex | 7557aaa |
123042474 has 24 divisors (see below), whose sum is σ = 266796192. Its totient is φ = 40982760.
The previous prime is 123042473. The next prime is 123042497. The reversal of 123042474 is 474240321.
123042474 is a `hidden beast` number, since 1 + 230 + 424 + 7 + 4 = 666.
It is not an unprimeable number, because it can be changed into a prime (123042473) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43689 + ... + 46419.
It is an arithmetic number, because the mean of its divisors is an integer number (11116508).
Almost surely, 2123042474 is an apocalyptic number.
123042474 is an abundant number, since it is smaller than the sum of its proper divisors (143753718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123042474 is a wasteful number, since it uses less digits than its factorization.
123042474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5242 (or 5239 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
The square root of 123042474 is about 11092.4512169313. The cubic root of 123042474 is about 497.3762209842.
Adding to 123042474 its reverse (474240321), we get a palindrome (597282795).
The spelling of 123042474 in words is "one hundred twenty-three million, forty-two thousand, four hundred seventy-four".
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