Base | Representation |
---|---|
bin | 1110111111010… |
… | …00001010000100 |
3 | 22202120211010202 |
4 | 13133220022010 |
5 | 224141401320 |
6 | 20250510032 |
7 | 3054462011 |
oct | 737501204 |
9 | 282524122 |
10 | 125731460 |
11 | 64a769a8 |
12 | 36135318 |
13 | 2008291a |
14 | 129ac708 |
15 | b088b75 |
hex | 77e8284 |
125731460 has 24 divisors (see below), whose sum is σ = 265179096. Its totient is φ = 50074880.
The previous prime is 125731433. The next prime is 125731511. The reversal of 125731460 is 64137521.
It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 125260864 = 686^2 + 11192^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8831 + ... + 18150.
It is an arithmetic number, because the mean of its divisors is an integer number (11049129).
Almost surely, 2125731460 is an apocalyptic number.
125731460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125731460 is an abundant number, since it is smaller than the sum of its proper divisors (139447636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125731460 is a wasteful number, since it uses less digits than its factorization.
125731460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27223 (or 27221 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 29.
The square root of 125731460 is about 11213.0040577893. The cubic root of 125731460 is about 500.9733838182.
Adding to 125731460 its reverse (64137521), we get a palindrome (189868981).
The spelling of 125731460 in words is "one hundred twenty-five million, seven hundred thirty-one thousand, four hundred sixty".
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