Base | Representation |
---|---|
bin | 1100111110000… |
… | …1100010111101 |
3 | 10210100212102202 |
4 | 3033201202331 |
5 | 102411314323 |
6 | 5222001245 |
7 | 1230255056 |
oct | 317414275 |
9 | 123325382 |
10 | 54401213 |
11 | 28787489 |
12 | 16276225 |
13 | b369789 |
14 | 732172d |
15 | 4b98d28 |
hex | 33e18bd |
54401213 has 2 divisors, whose sum is σ = 54401214. Its totient is φ = 54401212.
The previous prime is 54401197. The next prime is 54401239. The reversal of 54401213 is 31210445.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29019769 + 25381444 = 5387^2 + 5038^2 .
It is a cyclic number.
It is not a de Polignac number, because 54401213 - 24 = 54401197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54401273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27200606 + 27200607.
It is an arithmetic number, because the mean of its divisors is an integer number (27200607).
Almost surely, 254401213 is an apocalyptic number.
It is an amenable number.
54401213 is a deficient number, since it is larger than the sum of its proper divisors (1).
54401213 is an equidigital number, since it uses as much as digits as its factorization.
54401213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 54401213 is about 7375.7177955776. The cubic root of 54401213 is about 378.9101111190.
Adding to 54401213 its reverse (31210445), we get a palindrome (85611658).
The spelling of 54401213 in words is "fifty-four million, four hundred one thousand, two hundred thirteen".
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