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54027993 = 3124914419
BaseRepresentation
bin1100111000011…
…0011011011001
310202122220110210
43032012123121
5102312343433
65210001333
71224142005
oct316063331
9122586423
1054027993
1128552038
1216116249
13b268936
147265705
154b23463
hex33866d9

54027993 has 8 divisors (see below), whose sum is σ = 72100000. Its totient is φ = 35987328.

The previous prime is 54027991. The next prime is 54027997. The reversal of 54027993 is 39972045.

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

It is not a de Polignac number, because 54027993 - 21 = 54027991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54027991) 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, 3463 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (9012500).

Almost surely, 254027993 is an apocalyptic number.

It is an amenable number.

54027993 is a deficient number, since it is larger than the sum of its proper divisors (18072007).

54027993 is a wasteful number, since it uses less digits than its factorization.

54027993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 54027993 is about 7350.3736639711. The cubic root of 54027993 is about 378.0416165932.

The spelling of 54027993 in words is "fifty-four million, twenty-seven thousand, nine hundred ninety-three".

Divisors: 1 3 1249 3747 14419 43257 18009331 54027993