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52160752 = 247465721
BaseRepresentation
bin1100011011111…
…0100011110000
310122011001002201
43012332203300
5101323121002
65101552544
71202234110
oct306764360
9118131081
1052160752
1127497166
1215575754
13aa63a67
146cdb040
1548a5087
hex31be8f0

52160752 has 20 divisors (see below), whose sum is σ = 115499056. Its totient is φ = 22354560.

The previous prime is 52160749. The next prime is 52160753. The reversal of 52160752 is 25706125.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 52160752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52160753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232749 + ... + 232972.

Almost surely, 252160752 is an apocalyptic number.

It is an amenable number.

52160752 is an abundant number, since it is smaller than the sum of its proper divisors (63338304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52160752 is a wasteful number, since it uses less digits than its factorization.

52160752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465736 (or 465730 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52160752 is about 7222.2400957044. The cubic root of 52160752 is about 373.6353409428.

Adding to 52160752 its reverse (25706125), we get a palindrome (77866877).

The spelling of 52160752 in words is "fifty-two million, one hundred sixty thousand, seven hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 465721 931442 1862884 3260047 3725768 6520094 7451536 13040188 26080376 52160752