Base | Representation |
---|---|
bin | 1101001000011… |
… | …1011111010011 |
3 | 10211122101210220 |
4 | 3102013133103 |
5 | 103100042130 |
6 | 5244324123 |
7 | 1236115521 |
oct | 322073723 |
9 | 124571726 |
10 | 55080915 |
11 | 2910111a |
12 | 16543643 |
13 | b546c76 |
14 | 745b311 |
15 | 4c80410 |
hex | 34877d3 |
55080915 has 16 divisors (see below), whose sum is σ = 88805376. Its totient is φ = 29151200.
The previous prime is 55080911. The next prime is 55080919. The reversal of 55080915 is 51908055.
It is an interprime number because it is at equal distance from previous prime (55080911) and next prime (55080919).
It is not a de Polignac number, because 55080915 - 22 = 55080911 is a prime.
It is not an unprimeable number, because it can be changed into a prime (55080911) 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, 12051 + ... + 15980.
It is an arithmetic number, because the mean of its divisors is an integer number (5550336).
Almost surely, 255080915 is an apocalyptic number.
55080915 is a deficient number, since it is larger than the sum of its proper divisors (33724461).
55080915 is a wasteful number, since it uses less digits than its factorization.
55080915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28170.
The product of its (nonzero) digits is 9000, while the sum is 33.
The square root of 55080915 is about 7421.6517703271. The cubic root of 55080915 is about 380.4816491789.
The spelling of 55080915 in words is "fifty-five million, eighty thousand, nine hundred fifteen".
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