Base | Representation |
---|---|
bin | 1101001001001… |
… | …1111110001100 |
3 | 10211201222221120 |
4 | 3102103332030 |
5 | 103103211134 |
6 | 5245400540 |
7 | 1236420552 |
oct | 322237614 |
9 | 124658846 |
10 | 55132044 |
11 | 29136580 |
12 | 16569150 |
13 | b564316 |
14 | 7471bd2 |
15 | 4c90649 |
hex | 3493f8c |
55132044 has 96 divisors (see below), whose sum is σ = 146990592. Its totient is φ = 15936000.
The previous prime is 55132039. The next prime is 55132061. The reversal of 55132044 is 44023155.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330049 + ... + 330215.
It is an arithmetic number, because the mean of its divisors is an integer number (1531152).
Almost surely, 255132044 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55132044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73495296).
55132044 is an abundant number, since it is smaller than the sum of its proper divisors (91858548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55132044 is a wasteful number, since it uses less digits than its factorization.
55132044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287 (or 285 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 55132044 is about 7425.0955549407. The cubic root of 55132044 is about 380.5993404581.
Adding to 55132044 its reverse (44023155), we get a palindrome (99155199).
Subtracting from 55132044 its reverse (44023155), we obtain a square (11108889 = 33332).
It can be divided in two parts, 5513 and 2044, that added together give a palindrome (7557).
The spelling of 55132044 in words is "fifty-five million, one hundred thirty-two thousand, forty-four".
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