Base | Representation |
---|---|
bin | 1101001001001… |
… | …0101111111111 |
3 | 10211201202002012 |
4 | 3102102233333 |
5 | 103103031124 |
6 | 5245321435 |
7 | 1236400142 |
oct | 322225777 |
9 | 124652065 |
10 | 55127039 |
11 | 29132840 |
12 | 1656627b |
13 | b561c66 |
14 | 7470059 |
15 | 4c8de0e |
hex | 3492bff |
55127039 has 12 divisors (see below), whose sum is σ = 63887928. Its totient is φ = 47164800.
The previous prime is 55127029. The next prime is 55127041. The reversal of 55127039 is 93072155.
It is not a de Polignac number, because 55127039 - 212 = 55122943 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 55126996 and 55127014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55127029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5492 + ... + 11849.
It is an arithmetic number, because the mean of its divisors is an integer number (5323994).
Almost surely, 255127039 is an apocalyptic number.
55127039 is a deficient number, since it is larger than the sum of its proper divisors (8760889).
55127039 is a wasteful number, since it uses less digits than its factorization.
55127039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17386 (or 17369 counting only the distinct ones).
The product of its (nonzero) digits is 9450, while the sum is 32.
The square root of 55127039 is about 7424.7585145916. The cubic root of 55127039 is about 380.5878229134.
Subtracting 55127039 from its reverse (93072155), we obtain a triangular number (37945116 = T8711).
The spelling of 55127039 in words is "fifty-five million, one hundred twenty-seven thousand, thirty-nine".
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