Base | Representation |
---|---|
bin | 1101000111011… |
… | …0111010001101 |
3 | 10211111221122201 |
4 | 3101312322031 |
5 | 103040404010 |
6 | 5243041501 |
7 | 1235413525 |
oct | 321667215 |
9 | 124457581 |
10 | 55013005 |
11 | 290650a3 |
12 | 16510291 |
13 | b522098 |
14 | 7440685 |
15 | 4c6a23a |
hex | 3476e8d |
55013005 has 8 divisors (see below), whose sum is σ = 66057624. Its totient is φ = 43982400.
The previous prime is 55012949. The next prime is 55013009. The reversal of 55013005 is 50031055.
It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 54213769 = 894^2 + 7363^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-55013005 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55013009) 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, 9595 + ... + 14215.
It is an arithmetic number, because the mean of its divisors is an integer number (8257203).
Almost surely, 255013005 is an apocalyptic number.
It is an amenable number.
55013005 is a deficient number, since it is larger than the sum of its proper divisors (11044619).
55013005 is a wasteful number, since it uses less digits than its factorization.
55013005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7007.
The product of its (nonzero) digits is 375, while the sum is 19.
The square root of 55013005 is about 7417.0752321923. The cubic root of 55013005 is about 380.3252178938.
The spelling of 55013005 in words is "fifty-five million, thirteen thousand, five".
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