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52132871 = 757113043
BaseRepresentation
bin1100011011011…
…1110000000111
310122002121212002
43012313300013
5101321222441
65101215515
71202056610
oct306676007
9118077762
1052132871
112747821a
121556159b
13aa5416b
146cd0c07
15489bb9b
hex31b7c07

52132871 has 8 divisors (see below), whose sum is σ = 59689344. Its totient is φ = 44603640.

The previous prime is 52132859. The next prime is 52132909. The reversal of 52132871 is 17823125.

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 52132871 - 210 = 52131847 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 (52132571) 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, 2525 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (7461168).

Almost surely, 252132871 is an apocalyptic number.

52132871 is a deficient number, since it is larger than the sum of its proper divisors (7556473).

52132871 is a wasteful number, since it uses less digits than its factorization.

52132871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13621.

The product of its digits is 3360, while the sum is 29.

The square root of 52132871 is about 7220.3096194000. The cubic root of 52132871 is about 373.5687571406.

Adding to 52132871 its reverse (17823125), we get a palindrome (69955996).

The spelling of 52132871 in words is "fifty-two million, one hundred thirty-two thousand, eight hundred seventy-one".

Divisors: 1 7 571 3997 13043 91301 7447553 52132871