Base | Representation |
---|---|
bin | 1011111110001… |
… | …1100010001111 |
3 | 10111111012002212 |
4 | 2333203202033 |
5 | 100323340210 |
6 | 4552141035 |
7 | 1146551402 |
oct | 277434217 |
9 | 114435085 |
10 | 50215055 |
11 | 26388350 |
12 | 1499777b |
13 | a532267 |
14 | 6951d39 |
15 | 461d805 |
hex | 2fe388f |
50215055 has 16 divisors (see below), whose sum is σ = 65923200. Its totient is φ = 36416160.
The previous prime is 50214977. The next prime is 50215073. The reversal of 50215055 is 55051205.
It is not a de Polignac number, because 50215055 - 218 = 49952911 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 50215055.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21956 + ... + 24134.
It is an arithmetic number, because the mean of its divisors is an integer number (4120200).
Almost surely, 250215055 is an apocalyptic number.
50215055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
50215055 is a deficient number, since it is larger than the sum of its proper divisors (15708145).
50215055 is a wasteful number, since it uses less digits than its factorization.
50215055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2614.
The product of its (nonzero) digits is 1250, while the sum is 23.
The square root of 50215055 is about 7086.2581804504. The cubic root of 50215055 is about 368.9305740132.
It can be divided in two parts, 502150 and 55, that added together give a palindrome (502205).
The spelling of 50215055 in words is "fifty million, two hundred fifteen thousand, fifty-five".
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