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52055269 = 719391393
BaseRepresentation
bin1100011010010…
…0110011100101
310121221200101221
43012210303211
5101311232034
65055420341
71201314430
oct306446345
9117850357
1052055269
1127424992
12155246b1
13aa27a46
146cb0817
154883bb4
hex31a4ce5

52055269 has 8 divisors (see below), whose sum is σ = 62623040. Its totient is φ = 42270336.

The previous prime is 52055257. The next prime is 52055291. The reversal of 52055269 is 96255025.

52055269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52055269 - 29 = 52054757 is a prime.

It is a super-2 number, since 2×520552692 = 5419502061324722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52055219) 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 7 ways as a sum of consecutive naturals, for example, 195564 + ... + 195829.

It is an arithmetic number, because the mean of its divisors is an integer number (7827880).

Almost surely, 252055269 is an apocalyptic number.

It is an amenable number.

52055269 is a deficient number, since it is larger than the sum of its proper divisors (10567771).

52055269 is a wasteful number, since it uses less digits than its factorization.

52055269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391419.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 52055269 is about 7214.9337488296. The cubic root of 52055269 is about 373.3833074223.

The spelling of 52055269 in words is "fifty-two million, fifty-five thousand, two hundred sixty-nine".

Divisors: 1 7 19 133 391393 2739751 7436467 52055269