Base | Representation |
---|---|
bin | 1111000000111… |
… | …00111001011000 |
3 | 22202222210110111 |
4 | 13200130321120 |
5 | 224220304410 |
6 | 20255254104 |
7 | 3056351551 |
oct | 740347130 |
9 | 282883414 |
10 | 125947480 |
11 | 6510422a |
12 | 3621a334 |
13 | 2012a049 |
14 | 12a27328 |
15 | b0ccb8a |
hex | 781ce58 |
125947480 has 16 divisors (see below), whose sum is σ = 283381920. Its totient is φ = 50378976.
The previous prime is 125947463. The next prime is 125947487. The reversal of 125947480 is 84749521.
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 3148687 = 125947480 / (1 + 2 + 5 + 9 + 4 + 7 + 4 + 8 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125947487) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1574304 + ... + 1574383.
It is an arithmetic number, because the mean of its divisors is an integer number (17711370).
Almost surely, 2125947480 is an apocalyptic number.
125947480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125947480 is an abundant number, since it is smaller than the sum of its proper divisors (157434440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125947480 is a wasteful number, since it uses less digits than its factorization.
125947480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3148698 (or 3148694 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 125947480 is about 11222.6324897503. The cubic root of 125947480 is about 501.2601281528.
The spelling of 125947480 in words is "one hundred twenty-five million, nine hundred forty-seven thousand, four hundred eighty".
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