Base | Representation |
---|---|
bin | 11001100011000… |
… | …10001111001101 |
3 | 112221021011122020 |
4 | 30301202033031 |
5 | 414330440020 |
6 | 33133240353 |
7 | 5211422664 |
oct | 1461421715 |
9 | 487234566 |
10 | 214311885 |
11 | aaa78767 |
12 | 5b9330b9 |
13 | 35528688 |
14 | 20669ddb |
15 | 13c34c40 |
hex | cc623cd |
214311885 has 16 divisors (see below), whose sum is σ = 354723840. Its totient is φ = 110358080.
The previous prime is 214311883. The next prime is 214311917. The reversal of 214311885 is 588113412.
214311885 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 214311885 - 21 = 214311883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214311883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245901 + ... + 246770.
It is an arithmetic number, because the mean of its divisors is an integer number (22170240).
Almost surely, 2214311885 is an apocalyptic number.
It is an amenable number.
214311885 is a deficient number, since it is larger than the sum of its proper divisors (140411955).
214311885 is a wasteful number, since it uses less digits than its factorization.
214311885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492708.
The product of its digits is 7680, while the sum is 33.
The square root of 214311885 is about 14639.3949670060. The cubic root of 214311885 is about 598.4328408061.
It can be divided in two parts, 2143 and 11885, that added together give a triangular number (14028 = T167).
The spelling of 214311885 in words is "two hundred fourteen million, three hundred eleven thousand, eight hundred eighty-five".
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