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54235717 = 159733961
BaseRepresentation
bin1100111011100…
…1001001000101
310210001110102021
43032321021011
5102341020332
65214243141
71225665424
oct316711105
9123043367
1054235717
1128684108
12161b64b1
13b30c353
1472bb2bb
154b64c97
hex33b9245

54235717 has 4 divisors (see below), whose sum is σ = 54271276. Its totient is φ = 54200160.

The previous prime is 54235681. The next prime is 54235721. The reversal of 54235717 is 71753245.

54235717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6155361 + 48080356 = 2481^2 + 6934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54235717 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 (54235757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15384 + ... + 18577.

It is an arithmetic number, because the mean of its divisors is an integer number (13567819).

Almost surely, 254235717 is an apocalyptic number.

It is an amenable number.

54235717 is a deficient number, since it is larger than the sum of its proper divisors (35559).

54235717 is a wasteful number, since it uses less digits than its factorization.

54235717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35558.

The product of its digits is 29400, while the sum is 34.

The square root of 54235717 is about 7364.4902742824. The cubic root of 54235717 is about 378.5254885412.

The spelling of 54235717 in words is "fifty-four million, two hundred thirty-five thousand, seven hundred seventeen".

Divisors: 1 1597 33961 54235717