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53008271 = 194995591
BaseRepresentation
bin1100101000110…
…1011110001111
310200202002200022
43022031132033
5102032231041
65132052355
71212364031
oct312153617
9120662608
1053008271
1127a15998
12159040bb
13ac9c754
14707bc51
1549c124b
hex328d78f

53008271 has 8 divisors (see below), whose sum is σ = 55920000. Its totient is φ = 50108760.

The previous prime is 53008247. The next prime is 53008273. The reversal of 53008271 is 17280035.

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 53008271 - 210 = 53007247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53008271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53008273) 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, 6686 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (6990000).

Almost surely, 253008271 is an apocalyptic number.

53008271 is a deficient number, since it is larger than the sum of its proper divisors (2911729).

53008271 is a wasteful number, since it uses less digits than its factorization.

53008271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 53008271 is about 7280.6779217323. The cubic root of 53008271 is about 375.6481141790.

The spelling of 53008271 in words is "fifty-three million, eight thousand, two hundred seventy-one".

Divisors: 1 19 499 5591 9481 106229 2789909 53008271