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52136471 = 535916673
BaseRepresentation
bin1100011011100…
…0101000010111
310122002210210102
43012320220113
5101321331341
65101244315
71202103242
oct306705027
9118083712
1052136471
112747a9a2
121556369b
13aa559aa
146cd2259
15489cc9b
hex31b8a17

52136471 has 8 divisors (see below), whose sum is σ = 54023760. Its totient is φ = 50282752.

The previous prime is 52136443. The next prime is 52136473. The reversal of 52136471 is 17463125.

52136471 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 52136471 - 26 = 52136407 is a prime.

It is a super-3 number, since 3×521364713 (a number of 24 digits) contains 333 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 (52136473) 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, 5210 + ... + 11463.

It is an arithmetic number, because the mean of its divisors is an integer number (6752970).

Almost surely, 252136471 is an apocalyptic number.

52136471 is a deficient number, since it is larger than the sum of its proper divisors (1887289).

52136471 is a wasteful number, since it uses less digits than its factorization.

52136471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16785.

The product of its digits is 5040, while the sum is 29.

The square root of 52136471 is about 7220.5589118849. The cubic root of 52136471 is about 373.5773557883.

Adding to 52136471 its reverse (17463125), we get a palindrome (69599596).

The spelling of 52136471 in words is "fifty-two million, one hundred thirty-six thousand, four hundred seventy-one".

Divisors: 1 53 59 3127 16673 883669 983707 52136471