Base | Representation |
---|---|
bin | 1110111010000… |
… | …10110101100001 |
3 | 22201022102020221 |
4 | 13131002311201 |
5 | 224003214210 |
6 | 20224203041 |
7 | 3045641545 |
oct | 735026541 |
9 | 281272227 |
10 | 125054305 |
11 | 64654172 |
12 | 35a69481 |
13 | 1cba663c |
14 | 12873a25 |
15 | aea31da |
hex | 7742d61 |
125054305 has 16 divisors (see below), whose sum is σ = 154361088. Its totient is φ = 97200000.
The previous prime is 125054299. The next prime is 125054309. The reversal of 125054305 is 503450521.
It is not a de Polignac number, because 125054305 - 213 = 125046113 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125054305.
It is not an unprimeable number, because it can be changed into a prime (125054309) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54430 + ... + 56680.
It is an arithmetic number, because the mean of its divisors is an integer number (9647568).
Almost surely, 2125054305 is an apocalyptic number.
It is an amenable number.
125054305 is a deficient number, since it is larger than the sum of its proper divisors (29306783).
125054305 is a wasteful number, since it uses less digits than its factorization.
125054305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2568.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 125054305 is about 11182.7682172171. The cubic root of 125054305 is about 500.0723961837.
It can be divided in two parts, 1250 and 54305, that added together give a palindrome (55555).
The spelling of 125054305 in words is "one hundred twenty-five million, fifty-four thousand, three hundred five".
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