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54220401 = 332969247
BaseRepresentation
bin1100111011010…
…1011001110001
310210000200102000
43032311121301
5102340023101
65214044213
71225602654
oct316653161
9123020360
1054220401
1128673654
12161a9669
13b3053a1
1472b589b
154b60486
hex33b5671

54220401 has 16 divisors (see below), whose sum is σ = 83097600. Its totient is φ = 34899984.

The previous prime is 54220379. The next prime is 54220403. The reversal of 54220401 is 10402245.

It is not a de Polignac number, because 54220401 - 26 = 54220337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54220403) 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, 33841 + ... + 35406.

It is an arithmetic number, because the mean of its divisors is an integer number (5193600).

Almost surely, 254220401 is an apocalyptic number.

It is an amenable number.

54220401 is a deficient number, since it is larger than the sum of its proper divisors (28877199).

54220401 is a wasteful number, since it uses less digits than its factorization.

54220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69285 (or 69279 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 54220401 is about 7363.4503461353. The cubic root of 54220401 is about 378.4898537079.

Adding to 54220401 its reverse (10402245), we get a palindrome (64622646).

The spelling of 54220401 in words is "fifty-four million, two hundred twenty thousand, four hundred one".

Divisors: 1 3 9 27 29 87 261 783 69247 207741 623223 1869669 2008163 6024489 18073467 54220401