Base | Representation |
---|---|
bin | 1011001110100… |
… | …0100110000111 |
3 | 10021121102102010 |
4 | 2303220212013 |
5 | 44023340210 |
6 | 4401145303 |
7 | 1111154535 |
oct | 263504607 |
9 | 107542363 |
10 | 47090055 |
11 | 24643501 |
12 | 1392b233 |
13 | 99a9a4c |
14 | 637b155 |
15 | 4202920 |
hex | 2ce8987 |
47090055 has 32 divisors (see below), whose sum is σ = 78773760. Its totient is φ = 23990400.
The previous prime is 47090041. The next prime is 47090063. The reversal of 47090055 is 55009074.
47090055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47090055 - 211 = 47088007 is a prime.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44280 + ... + 45330.
It is an arithmetic number, because the mean of its divisors is an integer number (2461680).
Almost surely, 247090055 is an apocalyptic number.
47090055 is a deficient number, since it is larger than the sum of its proper divisors (31683705).
47090055 is a wasteful number, since it uses less digits than its factorization.
47090055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1191.
The product of its (nonzero) digits is 6300, while the sum is 30.
The square root of 47090055 is about 6862.2193931701. The cubic root of 47090055 is about 361.1129523290.
It can be divided in two parts, 470 and 90055, that added together give a triangular number (90525 = T425).
The spelling of 47090055 in words is "forty-seven million, ninety thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •