Base | Representation |
---|---|
bin | 1101000111010… |
… | …1111000101010 |
3 | 10211111201220100 |
4 | 3101311320222 |
5 | 103040240220 |
6 | 5243010230 |
7 | 1235365353 |
oct | 321657052 |
9 | 124451810 |
10 | 55008810 |
11 | 29061a2a |
12 | 16509976 |
13 | b5201bc |
14 | 743cd2a |
15 | 4c68d90 |
hex | 3475e2a |
55008810 has 48 divisors (see below), whose sum is σ = 143890344. Its totient is φ = 14580096.
The previous prime is 55008799. The next prime is 55008823. The reversal of 55008810 is 1880055.
It can be written as a sum of positive squares in 4 ways, for example, as 54863649 + 145161 = 7407^2 + 381^2 .
It is a super-2 number, since 2×550088102 = 6051938355232200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13804 + ... + 17336.
Almost surely, 255008810 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55008810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71945172).
55008810 is an abundant number, since it is smaller than the sum of its proper divisors (88881534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55008810 is a wasteful number, since it uses less digits than its factorization.
55008810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3719 (or 3716 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The square root of 55008810 is about 7416.7924333906. The cubic root of 55008810 is about 380.3155504534.
Adding to 55008810 its reverse (1880055), we get a palindrome (56888865).
The spelling of 55008810 in words is "fifty-five million, eight thousand, eight hundred ten".
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