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53109168 = 2437263601
BaseRepresentation
bin1100101010011…
…0000110110000
310200221020002020
43022212012300
5102043443133
65134151440
71213264140
oct312460660
9120836066
1053109168
1127a84782
1215952580
13b006658
1470a6920
1549e10b3
hex32a61b0

53109168 has 80 divisors (see below), whose sum is σ = 157656576. Its totient is φ = 15091200.

The previous prime is 53109167. The next prime is 53109181. The reversal of 53109168 is 86190135.

It is not an unprimeable number, because it can be changed into a prime (53109163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88068 + ... + 88668.

Almost surely, 253109168 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 53109168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78828288).

53109168 is an abundant number, since it is smaller than the sum of its proper divisors (104547408).

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

53109168 is a wasteful number, since it uses less digits than its factorization.

53109168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 53109168 is about 7287.6037213888. The cubic root of 53109168 is about 375.8863018228.

The spelling of 53109168 in words is "fifty-three million, one hundred nine thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 263 336 526 601 789 1052 1202 1578 1803 1841 2104 2404 3156 3606 3682 4207 4208 4808 5523 6312 7212 7364 8414 9616 11046 12621 12624 14424 14728 16828 22092 25242 28848 29456 33656 44184 50484 67312 88368 100968 158063 201936 316126 474189 632252 948378 1106441 1264504 1896756 2212882 2529008 3319323 3793512 4425764 6638646 7587024 8851528 13277292 17703056 26554584 53109168