Base | Representation |
---|---|
bin | 1101001001010… |
… | …1011100110000 |
3 | 10211202022020201 |
4 | 3102111130300 |
5 | 103103404341 |
6 | 5245444544 |
7 | 1236444316 |
oct | 322253460 |
9 | 124668221 |
10 | 55138096 |
11 | 29140082 |
12 | 16570754 |
13 | b566cc0 |
14 | 74740b6 |
15 | 4c92331 |
hex | 3495730 |
55138096 has 40 divisors (see below), whose sum is σ = 117023760. Its totient is φ = 25011456.
The previous prime is 55138093. The next prime is 55138099. The reversal of 55138096 is 69083155.
It is an interprime number because it is at equal distance from previous prime (55138093) and next prime (55138099).
It is not an unprimeable number, because it can be changed into a prime (55138091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10026 + ... + 14518.
It is an arithmetic number, because the mean of its divisors is an integer number (2925594).
Almost surely, 255138096 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 55138096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58511880).
55138096 is an abundant number, since it is smaller than the sum of its proper divisors (61885664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55138096 is a wasteful number, since it uses less digits than its factorization.
55138096 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4573 (or 4567 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 37.
The square root of 55138096 is about 7425.5030806000. The cubic root of 55138096 is about 380.6132664364.
The spelling of 55138096 in words is "fifty-five million, one hundred thirty-eight thousand, ninety-six".
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