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54342785 = 571552651
BaseRepresentation
bin1100111101001…
…1010010000001
310210020220021202
43033103102001
5102402432120
65220430545
71226622530
oct317232201
9123226252
1054342785
11287475a2
1216248455
13b348cc3
147308317
154b86875
hex33d3481

54342785 has 8 divisors (see below), whose sum is σ = 74527296. Its totient is φ = 37263600.

The previous prime is 54342779. The next prime is 54342787. The reversal of 54342785 is 58724345.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-54342785 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54342787) 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, 776291 + ... + 776360.

It is an arithmetic number, because the mean of its divisors is an integer number (9315912).

Almost surely, 254342785 is an apocalyptic number.

It is an amenable number.

54342785 is a deficient number, since it is larger than the sum of its proper divisors (20184511).

54342785 is a wasteful number, since it uses less digits than its factorization.

54342785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552663.

The product of its digits is 134400, while the sum is 38.

The square root of 54342785 is about 7371.7558966640. The cubic root of 54342785 is about 378.7744101584.

The spelling of 54342785 in words is "fifty-four million, three hundred forty-two thousand, seven hundred eighty-five".

Divisors: 1 5 7 35 1552651 7763255 10868557 54342785