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53303472 = 24321971879
BaseRepresentation
bin1100101101010…
…1100010110000
310201022002121200
43023111202300
5102121202342
65142251200
71215033465
oct313254260
9121262550
1053303472
11280a7762
1215a26b00
13b073c21
14711766c
154a2d94c
hex32d58b0

53303472 has 60 divisors (see below), whose sum is σ = 150012720. Its totient is φ = 17668224.

The previous prime is 53303461. The next prime is 53303473. The reversal of 53303472 is 27430335.

It is not an unprimeable number, because it can be changed into a prime (53303473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27429 + ... + 29307.

It is an arithmetic number, because the mean of its divisors is an integer number (2500212).

Almost surely, 253303472 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 53303472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75006360).

53303472 is an abundant number, since it is smaller than the sum of its proper divisors (96709248).

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

53303472 is a wasteful number, since it uses less digits than its factorization.

53303472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 53303472 is about 7300.9226814150. The cubic root of 53303472 is about 376.3441469607.

The spelling of 53303472 in words is "fifty-three million, three hundred three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 197 394 591 788 1182 1576 1773 1879 2364 3152 3546 3758 4728 5637 7092 7516 9456 11274 14184 15032 16911 22548 28368 30064 33822 45096 67644 90192 135288 270576 370163 740326 1110489 1480652 2220978 2961304 3331467 4441956 5922608 6662934 8883912 13325868 17767824 26651736 53303472