Base | Representation |
---|---|
bin | 1101001001001… |
… | …0011011011100 |
3 | 10211201200021111 |
4 | 3102102123130 |
5 | 103103010344 |
6 | 5245311404 |
7 | 1236363253 |
oct | 322223334 |
9 | 124650244 |
10 | 55125724 |
11 | 29131855 |
12 | 16565564 |
13 | b561494 |
14 | 746d79a |
15 | 4c8d834 |
hex | 34926dc |
55125724 has 24 divisors (see below), whose sum is σ = 99782928. Its totient is φ = 26632320.
The previous prime is 55125709. The next prime is 55125739. The reversal of 55125724 is 42752155.
55125724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (55125709) and next prime (55125739).
It is a congruent number.
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, 12264 + ... + 16144.
It is an arithmetic number, because the mean of its divisors is an integer number (4157622).
Almost surely, 255125724 is an apocalyptic number.
It is an amenable number.
55125724 is a deficient number, since it is larger than the sum of its proper divisors (44657204).
55125724 is a wasteful number, since it uses less digits than its factorization.
55125724 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4005 (or 4003 counting only the distinct ones).
The product of its digits is 14000, while the sum is 31.
The square root of 55125724 is about 7424.6699589948. The cubic root of 55125724 is about 380.5847967096.
Adding to 55125724 its reverse (42752155), we get a palindrome (97877879).
It can be divided in two parts, 5512 and 5724, that added together give a square (11236 = 1062).
The spelling of 55125724 in words is "fifty-five million, one hundred twenty-five thousand, seven hundred twenty-four".
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