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54035809 = 17231131223
BaseRepresentation
bin1100111000100…
…0010101100001
310202200022012021
43032020111201
5102313121214
65210101441
71224203542
oct316102541
9122608167
1054035809
11285579a3
121611a881
13b26c369
1472684c9
154b25924
hex3388561

54035809 has 16 divisors (see below), whose sum is σ = 60279552. Its totient is φ = 48176128.

The previous prime is 54035777. The next prime is 54035819. The reversal of 54035809 is 90853045.

It is a cyclic number.

It is not a de Polignac number, because 54035809 - 25 = 54035777 is a prime.

It is a super-3 number, since 3×540358093 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54035819) 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 15 ways as a sum of consecutive naturals, for example, 43572 + ... + 44794.

It is an arithmetic number, because the mean of its divisors is an integer number (3767472).

Almost surely, 254035809 is an apocalyptic number.

It is an amenable number.

54035809 is a deficient number, since it is larger than the sum of its proper divisors (6243743).

54035809 is a wasteful number, since it uses less digits than its factorization.

54035809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54035809 is about 7350.9053183945. The cubic root of 54035809 is about 378.0598456052.

The spelling of 54035809 in words is "fifty-four million, thirty-five thousand, eight hundred nine".

Divisors: 1 17 23 113 391 1223 1921 2599 20791 28129 44183 138199 478193 2349383 3178577 54035809