Base | Representation |
---|---|
bin | 1100111111011… |
… | …1101001001101 |
3 | 10210112110121001 |
4 | 3033313221031 |
5 | 102422213400 |
6 | 5223540301 |
7 | 1231113001 |
oct | 317675115 |
9 | 123473531 |
10 | 54491725 |
11 | 28839492 |
12 | 162ba691 |
13 | b39ba32 |
14 | 7346701 |
15 | 4bb5a6a |
hex | 33f7a4d |
54491725 has 12 divisors (see below), whose sum is σ = 69900660. Its totient is φ = 42089600.
The previous prime is 54491711. The next prime is 54491729. The reversal of 54491725 is 52719445.
It can be written as a sum of positive squares in 6 ways, for example, as 2377764 + 52113961 = 1542^2 + 7219^2 .
It is not a de Polignac number, because 54491725 - 25 = 54491693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54491729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36856 + ... + 38305.
It is an arithmetic number, because the mean of its divisors is an integer number (5825055).
Almost surely, 254491725 is an apocalyptic number.
It is an amenable number.
54491725 is a deficient number, since it is larger than the sum of its proper divisors (15408935).
54491725 is a wasteful number, since it uses less digits than its factorization.
54491725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75200 (or 75195 counting only the distinct ones).
The product of its digits is 50400, while the sum is 37.
The square root of 54491725 is about 7381.8510551216. The cubic root of 54491725 is about 379.1201365167.
The spelling of 54491725 in words is "fifty-four million, four hundred ninety-one thousand, seven hundred twenty-five".
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