Base | Representation |
---|---|
bin | 1101001000111… |
… | …1110100000000 |
3 | 10211201010120121 |
4 | 3102033310000 |
5 | 103102140013 |
6 | 5245150024 |
7 | 1236320104 |
oct | 322176400 |
9 | 124633517 |
10 | 55115008 |
11 | 291247a3 |
12 | 1655b314 |
13 | b559640 |
14 | 7469904 |
15 | 4c8a58d |
hex | 348fd00 |
55115008 has 36 divisors (see below), whose sum is σ = 118484548. Its totient is φ = 25436160.
The previous prime is 55114981. The next prime is 55115009. The reversal of 55115008 is 80051155.
It can be written as a sum of positive squares in 2 ways, for example, as 4875264 + 50239744 = 2208^2 + 7088^2 .
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55115009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4953 + ... + 11608.
Almost surely, 255115008 is an apocalyptic number.
It is an amenable number.
55115008 is an abundant number, since it is smaller than the sum of its proper divisors (63369540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55115008 is a wasteful number, since it uses less digits than its factorization.
55115008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16590 (or 16576 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 25.
The square root of 55115008 is about 7423.9482756819. The cubic root of 55115008 is about 380.5601342310.
The spelling of 55115008 in words is "fifty-five million, one hundred fifteen thousand, eight".
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