Base | Representation |
---|---|
bin | 1101001001001… |
… | …0111100000000 |
3 | 10211201210010200 |
4 | 3102102330000 |
5 | 103103042213 |
6 | 5245325200 |
7 | 1236402321 |
oct | 322227400 |
9 | 124653120 |
10 | 55127808 |
11 | 2913337a |
12 | 16566800 |
13 | b562408 |
14 | 7470448 |
15 | 4c8e273 |
hex | 3492f00 |
55127808 has 108 divisors (see below), whose sum is σ = 161664048. Its totient is φ = 18063360.
The previous prime is 55127783. The next prime is 55127837. The reversal of 55127808 is 80872155.
55127808 is a `hidden beast` number, since 551 + 27 + 80 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163416 + ... + 163752.
Almost surely, 255127808 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 55127808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80832024).
55127808 is an abundant number, since it is smaller than the sum of its proper divisors (106536240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55127808 is a wasteful number, since it uses less digits than its factorization.
55127808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 430 (or 413 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 36.
The square root of 55127808 is about 7424.8103006070. The cubic root of 55127808 is about 380.5895925875.
The spelling of 55127808 in words is "fifty-five million, one hundred twenty-seven thousand, eight hundred eight".
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