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54250421 = 412116271
BaseRepresentation
bin1100111011110…
…0101110110101
310210002012120212
43032330232311
5102342003141
65214435205
71226056331
oct316745665
9123065525
1054250421
1128694165
1216202b05
13b315c54
1472c27c1
154b692eb
hex33bcbb5

54250421 has 8 divisors (see below), whose sum is σ = 55845888. Its totient is φ = 52668000.

The previous prime is 54250397. The next prime is 54250459. The reversal of 54250421 is 12405245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54250421 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 (54250121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5516 + ... + 11786.

It is an arithmetic number, because the mean of its divisors is an integer number (6980736).

Almost surely, 254250421 is an apocalyptic number.

It is an amenable number.

54250421 is a deficient number, since it is larger than the sum of its proper divisors (1595467).

54250421 is a wasteful number, since it uses less digits than its factorization.

54250421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 54250421 is about 7365.4885106149. The cubic root of 54250421 is about 378.5596931587.

Adding to 54250421 its reverse (12405245), we get a palindrome (66655666).

The spelling of 54250421 in words is "fifty-four million, two hundred fifty thousand, four hundred twenty-one".

Divisors: 1 41 211 6271 8651 257111 1323181 54250421