Base | Representation |
---|---|
bin | 1101001001001… |
… | …0110011000110 |
3 | 10211201202100120 |
4 | 3102102303012 |
5 | 103103032423 |
6 | 5245322410 |
7 | 1236400545 |
oct | 322226306 |
9 | 124652316 |
10 | 55127238 |
11 | 29132a01 |
12 | 16566406 |
13 | b56208a |
14 | 747015c |
15 | 4c8dee3 |
hex | 3492cc6 |
55127238 has 32 divisors (see below), whose sum is σ = 114296832. Its totient is φ = 17707200.
The previous prime is 55127203. The next prime is 55127239. The reversal of 55127238 is 83272155.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 55127199 and 55127208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55127239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57370 + ... + 58322.
It is an arithmetic number, because the mean of its divisors is an integer number (3571776).
Almost surely, 255127238 is an apocalyptic number.
55127238 is an abundant number, since it is smaller than the sum of its proper divisors (59169594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55127238 is a wasteful number, since it uses less digits than its factorization.
55127238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1300.
The product of its digits is 16800, while the sum is 33.
The square root of 55127238 is about 7424.7719156887. The cubic root of 55127238 is about 380.5882808671.
The spelling of 55127238 in words is "fifty-five million, one hundred twenty-seven thousand, two hundred thirty-eight".
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