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54032421 = 342174271
BaseRepresentation
bin1100111000011…
…1100000100101
310202200010112210
43032013200211
5102313014141
65210034033
71224160632
oct316074045
9122603483
1054032421
11285553a3
1216118919
13b26a961
147267189
154b24916
hex3387825

54032421 has 8 divisors (see below), whose sum is σ = 72077184. Its totient is φ = 36004640.

The previous prime is 54032413. The next prime is 54032437. The reversal of 54032421 is 12423045.

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 54032421 - 23 = 54032413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54032401) 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, 10516 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (9009648).

Almost surely, 254032421 is an apocalyptic number.

It is an amenable number.

54032421 is a deficient number, since it is larger than the sum of its proper divisors (18044763).

54032421 is a wasteful number, since it uses less digits than its factorization.

54032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54032421 is about 7350.6748669765. The cubic root of 54032421 is about 378.0519440948.

Adding to 54032421 its reverse (12423045), we get a palindrome (66455466).

The spelling of 54032421 in words is "fifty-four million, thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 4217 4271 12651 12813 18010807 54032421