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52252512 = 25313149281
BaseRepresentation
bin1100011101010…
…0111101100000
310122022200222020
43013110331200
5101334040022
65103541440
71203065454
oct307247540
9118280866
1052252512
112754a0a4
12155ba880
13aa96760
146d22664
1548c235c
hex31d4f60

52252512 has 96 divisors (see below), whose sum is σ = 149234400. Its totient is φ = 15912960.

The previous prime is 52252511. The next prime is 52252513. The reversal of 52252512 is 21525225.

52252512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52252511) and next prime (52252513).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52252511) 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 15 ways as a sum of consecutive naturals, for example, 185812 + ... + 186092.

It is an arithmetic number, because the mean of its divisors is an integer number (1554525).

Almost surely, 252252512 is an apocalyptic number.

52252512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52252512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74617200).

52252512 is an abundant number, since it is smaller than the sum of its proper divisors (96981888).

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

52252512 is a wasteful number, since it uses less digits than its factorization.

52252512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 448 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 52252512 is about 7228.5899039854. The cubic root of 52252512 is about 373.8543095023.

Adding to 52252512 its reverse (21525225), we get a palindrome (73777737).

The spelling of 52252512 in words is "fifty-two million, two hundred fifty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 149 156 208 281 298 312 416 447 562 596 624 843 894 1124 1192 1248 1686 1788 1937 2248 2384 3372 3576 3653 3874 4496 4768 5811 6744 7152 7306 7748 8992 10959 11622 13488 14304 14612 15496 21918 23244 26976 29224 30992 41869 43836 46488 58448 61984 83738 87672 92976 116896 125607 167476 175344 185952 251214 334952 350688 502428 544297 669904 1004856 1088594 1339808 1632891 2009712 2177188 3265782 4019424 4354376 6531564 8708752 13063128 17417504 26126256 52252512