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52130752 = 26814543
BaseRepresentation
bin1100011011011…
…1001111000000
310122002111221121
43012313033000
5101321141002
65101202024
71202050462
oct306671700
9118074847
1052130752
1127476673
1215560314
13aa531cb
146cd0132
15489b237
hex31b73c0

52130752 has 14 divisors (see below), whose sum is σ = 103447088. Its totient is φ = 26065344.

The previous prime is 52130717. The next prime is 52130759. The reversal of 52130752 is 25703125.

52130752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130759) 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 as a sum of consecutive naturals, namely, 407208 + ... + 407335.

Almost surely, 252130752 is an apocalyptic number.

It is an amenable number.

52130752 is a deficient number, since it is larger than the sum of its proper divisors (51316336).

52130752 is an equidigital number, since it uses as much as digits as its factorization.

52130752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814555 (or 814545 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52130752 is about 7220.1628790492. The cubic root of 52130752 is about 373.5636956960.

Adding to 52130752 its reverse (25703125), we get a palindrome (77833877).

The spelling of 52130752 in words is "fifty-two million, one hundred thirty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 814543 1629086 3258172 6516344 13032688 26065376 52130752