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52311168 = 2732713499
BaseRepresentation
bin1100011110001…
…1010010000000
310122102200102200
43013203102000
5101342424133
65105113200
71203431460
oct307432200
9118380380
1052311168
112758a178
1215628800
13aab7370
146d39ba0
1548d4913
hex31e3480

52311168 has 192 divisors, whose sum is σ = 185640000. Its totient is φ = 13768704.

The previous prime is 52311151. The next prime is 52311169. The reversal of 52311168 is 86111325.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (52311169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104583 + ... + 105081.

It is an arithmetic number, because the mean of its divisors is an integer number (966875).

Almost surely, 252311168 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 52311168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92820000).

52311168 is an abundant number, since it is smaller than the sum of its proper divisors (133328832).

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

52311168 is a wasteful number, since it uses less digits than its factorization.

52311168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 524 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 52311168 is about 7232.6459888481. The cubic root of 52311168 is about 373.9941471054.

The spelling of 52311168 in words is "fifty-two million, three hundred eleven thousand, one hundred sixty-eight".