Base | Representation |
---|---|
bin | 11001100011000… |
… | …10001000100000 |
3 | 112221021011001100 |
4 | 30301202020200 |
5 | 414330431311 |
6 | 33133234400 |
7 | 5211421512 |
oct | 1461421040 |
9 | 487234040 |
10 | 214311456 |
11 | aaa78407 |
12 | 5b932a00 |
13 | 35528418 |
14 | 20669bb2 |
15 | 13c34a56 |
hex | cc62220 |
214311456 has 36 divisors (see below), whose sum is σ = 609449022. Its totient is φ = 71437056.
The previous prime is 214311397. The next prime is 214311457. The reversal of 214311456 is 654113412.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 204947856 + 9363600 = 14316^2 + 3060^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (214311457) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371781 + ... + 372356.
Almost surely, 2214311456 is an apocalyptic number.
It is an amenable number.
214311456 is an abundant number, since it is smaller than the sum of its proper divisors (395137566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214311456 is a wasteful number, since it uses less digits than its factorization.
214311456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 744153 (or 744142 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 214311456 is about 14639.3803147538. The cubic root of 214311456 is about 598.4324415005.
Adding to 214311456 its reverse (654113412), we get a palindrome (868424868).
The spelling of 214311456 in words is "two hundred fourteen million, three hundred eleven thousand, four hundred fifty-six".
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