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52311160 = 23511611949
BaseRepresentation
bin1100011110001…
…1010001111000
310122102200102101
43013203101320
5101342424120
65105113144
71203431446
oct307432170
9118380371
1052311160
112758a170
12156287b4
13aab7365
146d39b96
1548d490a
hex31e3478

52311160 has 64 divisors (see below), whose sum is σ = 130572000. Its totient is φ = 18700800.

The previous prime is 52311151. The next prime is 52311169. The reversal of 52311160 is 6111325.

52311160 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 (52311151) and next prime (52311169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52311169) 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, 25866 + ... + 27814.

Almost surely, 252311160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52311160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65286000).

52311160 is an abundant number, since it is smaller than the sum of its proper divisors (78260840).

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

52311160 is a wasteful number, since it uses less digits than its factorization.

52311160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 52311160 is about 7232.6454358001. The cubic root of 52311160 is about 373.9941280403.

Adding to 52311160 its reverse (6111325), we get a palindrome (58422485).

The spelling of 52311160 in words is "fifty-two million, three hundred eleven thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 61 88 110 122 220 244 305 440 488 610 671 1220 1342 1949 2440 2684 3355 3898 5368 6710 7796 9745 13420 15592 19490 21439 26840 38980 42878 77960 85756 107195 118889 171512 214390 237778 428780 475556 594445 857560 951112 1188890 1307779 2377780 2615558 4755560 5231116 6538895 10462232 13077790 26155580 52311160