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54545013 = 3214234259
BaseRepresentation
bin1101000000010…
…0101001110101
310210122011200200
43100010221311
5102430420023
65225031113
71231424235
oct320045165
9123564620
1054545013
1128875526
1216325499
13b3ba073
14735bcc5
154bc6743
hex3404a75

54545013 has 12 divisors (see below), whose sum is σ = 78861120. Its totient is φ = 36329256.

The previous prime is 54545009. The next prime is 54545033. The reversal of 54545013 is 31054545.

It is not a de Polignac number, because 54545013 - 22 = 54545009 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 (54545033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10678 + ... + 14936.

It is an arithmetic number, because the mean of its divisors is an integer number (6571760).

Almost surely, 254545013 is an apocalyptic number.

It is an amenable number.

54545013 is a deficient number, since it is larger than the sum of its proper divisors (24316107).

54545013 is a wasteful number, since it uses less digits than its factorization.

54545013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5685 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 54545013 is about 7385.4595659309. The cubic root of 54545013 is about 379.2436780391.

Adding to 54545013 its reverse (31054545), we get a palindrome (85599558).

The spelling of 54545013 in words is "fifty-four million, five hundred forty-five thousand, thirteen".

Divisors: 1 3 9 1423 4259 4269 12777 12807 38331 6060557 18181671 54545013