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54214540 = 2257934313
BaseRepresentation
bin1100111011001…
…1111110001100
310210000101100221
43032303332030
5102334331130
65214001124
71225546612
oct316637614
9123011327
1054214540
112866a206
12161a61a4
13b302813
1472b36b2
154b5d87a
hex33b3f8c

54214540 has 24 divisors (see below), whose sum is σ = 115295040. Its totient is φ = 21410688.

The previous prime is 54214507. The next prime is 54214553. The reversal of 54214540 is 4541245.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15577 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (4803960).

Almost surely, 254214540 is an apocalyptic number.

It is an amenable number.

54214540 is an abundant number, since it is smaller than the sum of its proper divisors (61080500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54214540 is a wasteful number, since it uses less digits than its factorization.

54214540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401 (or 34399 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 54214540 is about 7363.0523561903. The cubic root of 54214540 is about 378.4762154898.

Adding to 54214540 its reverse (4541245), we get a palindrome (58755785).

The spelling of 54214540 in words is "fifty-four million, two hundred fourteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 34313 68626 137252 171565 343130 686260 2710727 5421454 10842908 13553635 27107270 54214540