Base | Representation |
---|---|
bin | 1011010100110… |
… | …0101100010111 |
3 | 10022101020211022 |
4 | 2311030230113 |
5 | 44130000210 |
6 | 4414031355 |
7 | 1114513061 |
oct | 265145427 |
9 | 108336738 |
10 | 47500055 |
11 | 248a3549 |
12 | 13aa855b |
13 | 9ac1555 |
14 | 6446731 |
15 | 4284155 |
hex | 2d4cb17 |
47500055 has 8 divisors (see below), whose sum is σ = 57240000. Its totient is φ = 37840096.
The previous prime is 47500051. The next prime is 47500081. The reversal of 47500055 is 55000574.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47500055 - 22 = 47500051 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 47499997 and 47500033.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47500051) 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, 18680 + ... + 21069.
It is an arithmetic number, because the mean of its divisors is an integer number (7155000).
Almost surely, 247500055 is an apocalyptic number.
47500055 is a deficient number, since it is larger than the sum of its proper divisors (9739945).
47500055 is a wasteful number, since it uses less digits than its factorization.
47500055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39993.
The product of its (nonzero) digits is 3500, while the sum is 26.
The square root of 47500055 is about 6892.0283661633. The cubic root of 47500055 is about 362.1579619522.
The spelling of 47500055 in words is "forty-seven million, five hundred thousand, fifty-five".
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