Base | Representation |
---|---|
bin | 11110010101000… |
… | …11000001010100 |
3 | 122201202000220200 |
4 | 33022203001110 |
5 | 1010113014444 |
6 | 41125100500 |
7 | 6206363244 |
oct | 1712430124 |
9 | 581660820 |
10 | 254423124 |
11 | 12068494a |
12 | 71257730 |
13 | 40930a37 |
14 | 25b0bb24 |
15 | 17509969 |
hex | f2a3054 |
254423124 has 18 divisors (see below), whose sum is σ = 643125210. Its totient is φ = 84807696.
The previous prime is 254423123. The next prime is 254423149. The reversal of 254423124 is 421324452.
It can be written as a sum of positive squares in only one way, i.e., 253382724 + 1040400 = 15918^2 + 1020^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×2544231242 = 129462252051838752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254423123) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3533619 + ... + 3533690.
Almost surely, 2254423124 is an apocalyptic number.
It is an amenable number.
254423124 is an abundant number, since it is smaller than the sum of its proper divisors (388702086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254423124 is a wasteful number, since it uses less digits than its factorization.
254423124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7067319 (or 7067314 counting only the distinct ones).
The product of its digits is 7680, while the sum is 27.
The square root of 254423124 is about 15950.6465072736. The cubic root of 254423124 is about 633.6540188199.
Adding to 254423124 its reverse (421324452), we get a palindrome (675747576).
The spelling of 254423124 in words is "two hundred fifty-four million, four hundred twenty-three thousand, one hundred twenty-four".
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