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54654221 = 2412941
BaseRepresentation
bin1101000001111…
…1010100001101
310210211201111102
43100133110031
5102442413341
65231232445
71232360516
oct320372415
9123751442
1054654221
112893a586
1216378725
13b42799b
147389a0d
154be8c9b
hex341f50d

54654221 has 6 divisors (see below), whose sum is σ = 54940266. Its totient is φ = 54369600.

The previous prime is 54654199. The next prime is 54654263. The reversal of 54654221 is 12245645.

54654221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 23629321 + 31024900 = 4861^2 + 5570^2 .

It is not a de Polignac number, because 54654221 - 218 = 54392077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54654121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57611 + ... + 58551.

It is an arithmetic number, because the mean of its divisors is an integer number (9156711).

Almost surely, 254654221 is an apocalyptic number.

It is an amenable number.

54654221 is a deficient number, since it is larger than the sum of its proper divisors (286045).

54654221 is an frugal number, since it uses more digits than its factorization.

54654221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1182 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 54654221 is about 7392.8493153858. The cubic root of 54654221 is about 379.4966118467.

Adding to 54654221 its reverse (12245645), we get a palindrome (66899866).

The spelling of 54654221 in words is "fifty-four million, six hundred fifty-four thousand, two hundred twenty-one".

Divisors: 1 241 941 58081 226781 54654221