Base | Representation |
---|---|
bin | 1101000011110… |
… | …0000110001001 |
3 | 10211001201012111 |
4 | 3100330012021 |
5 | 103010201410 |
6 | 5233542321 |
7 | 1233361303 |
oct | 320740611 |
9 | 124051174 |
10 | 54772105 |
11 | 28a10103 |
12 | 164149a1 |
13 | b46953b |
14 | 73ba973 |
15 | 4c1db8a |
hex | 343c189 |
54772105 has 16 divisors (see below), whose sum is σ = 67599504. Its totient is φ = 42577920.
The previous prime is 54772093. The next prime is 54772111. The reversal of 54772105 is 50127745.
It can be written as a sum of positive squares in 8 ways, for example, as 6594624 + 48177481 = 2568^2 + 6941^2 .
It is not a de Polignac number, because 54772105 - 217 = 54641033 is a prime.
It is a super-2 number, since 2×547721052 = 5999966972262050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81049 + ... + 81721.
It is an arithmetic number, because the mean of its divisors is an integer number (4224969).
Almost surely, 254772105 is an apocalyptic number.
It is an amenable number.
54772105 is a deficient number, since it is larger than the sum of its proper divisors (12827399).
54772105 is a wasteful number, since it uses less digits than its factorization.
54772105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1116.
The product of its (nonzero) digits is 9800, while the sum is 31.
The square root of 54772105 is about 7400.8178602098. The cubic root of 54772105 is about 379.7692620468.
The spelling of 54772105 in words is "fifty-four million, seven hundred seventy-two thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •