Base | Representation |
---|---|
bin | 1101010101101… |
… | …0011001111100 |
3 | 10220021021212200 |
4 | 3111122121330 |
5 | 103310213303 |
6 | 5315031500 |
7 | 1246344312 |
oct | 325323174 |
9 | 126237780 |
10 | 55944828 |
11 | 296411a5 |
12 | 1689b590 |
13 | b78a264 |
14 | 76040b2 |
15 | 4da13a3 |
hex | 355a67c |
55944828 has 72 divisors (see below), whose sum is σ = 149975280. Its totient is φ = 17552640.
The previous prime is 55944821. The next prime is 55944853. The reversal of 55944828 is 82844955.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55944821) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42151 + ... + 43457.
It is an arithmetic number, because the mean of its divisors is an integer number (2082990).
Almost surely, 255944828 is an apocalyptic number.
55944828 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55944828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74987640).
55944828 is an abundant number, since it is smaller than the sum of its proper divisors (94030452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55944828 is a wasteful number, since it uses less digits than its factorization.
55944828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1387 (or 1382 counting only the distinct ones).
The product of its digits is 460800, while the sum is 45.
The square root of 55944828 is about 7479.6275308333. The cubic root of 55944828 is about 382.4605521281.
The spelling of 55944828 in words is "fifty-five million, nine hundred forty-four thousand, eight hundred twenty-eight".
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