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54221141 = 1317324109
BaseRepresentation
bin1100111011010…
…1100101010101
310210000201102102
43032311211111
5102340034031
65214051445
71225605062
oct316654525
9123021372
1054221141
1128674167
12161a9b85
13b305820
1472b5c69
154b607cb
hex33b5955

54221141 has 8 divisors (see below), whose sum is σ = 58731960. Its totient is φ = 49758912.

The previous prime is 54221107. The next prime is 54221149. The reversal of 54221141 is 14112245.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12567025 + 41654116 = 3545^2 + 6454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54221141 - 218 = 53958997 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 (54221149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (7341495).

Almost surely, 254221141 is an apocalyptic number.

It is an amenable number.

54221141 is a deficient number, since it is larger than the sum of its proper divisors (4510819).

54221141 is a wasteful number, since it uses less digits than its factorization.

54221141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24295.

The product of its digits is 320, while the sum is 20.

The square root of 54221141 is about 7363.5005941468. The cubic root of 54221141 is about 378.4915755765.

Adding to 54221141 its reverse (14112245), we get a palindrome (68333386).

The spelling of 54221141 in words is "fifty-four million, two hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 13 173 2249 24109 313417 4170857 54221141