Search a number
-
+
6216055 = 51243211
BaseRepresentation
bin10111101101100101110111
3102200210211021
4113231211313
53042403210
6341122011
7103556416
oct27554567
912623737
106216055
11356623a
1220b9307
131398451
14b7b47d
1582bbda
hex5ed977

6216055 has 4 divisors (see below), whose sum is σ = 7459272. Its totient is φ = 4972840.

The previous prime is 6216047. The next prime is 6216061. The reversal of 6216055 is 5506126.

6216055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5506126 = 22753063.

It is not a de Polignac number, because 6216055 - 23 = 6216047 is a prime.

It is a Duffinian number.

6216055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621601 + ... + 621610.

It is an arithmetic number, because the mean of its divisors is an integer number (1864818).

Almost surely, 26216055 is an apocalyptic number.

6216055 is a deficient number, since it is larger than the sum of its proper divisors (1243217).

6216055 is a wasteful number, since it uses less digits than its factorization.

6216055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243216.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 6216055 is about 2493.2017567778. The cubic root of 6216055 is about 183.8674908430.

The spelling of 6216055 in words is "six million, two hundred sixteen thousand, fifty-five".

Divisors: 1 5 1243211 6216055