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53271270 = 2345135059
BaseRepresentation
bin1100101100110…
…1101011100110
310201020110110000
43023031223212
5102114140040
65141442130
71214540553
oct313155346
9121213400
1053271270
1128085548
1215a10346
13b062380
147109a2a
154a24130
hex32cdae6

53271270 has 80 divisors (see below), whose sum is σ = 154289520. Its totient is φ = 13110336.

The previous prime is 53271247. The next prime is 53271287. The reversal of 53271270 is 7217235.

53271270 is a `hidden beast` number, since 532 + 7 + 127 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8001 + ... + 13059.

It is an arithmetic number, because the mean of its divisors is an integer number (1928619).

Almost surely, 253271270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53271270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77144760).

53271270 is an abundant number, since it is smaller than the sum of its proper divisors (101018250).

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

53271270 is a wasteful number, since it uses less digits than its factorization.

53271270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 53271270 is about 7298.7170105437. The cubic root of 53271270 is about 376.2683452974.

The spelling of 53271270 in words is "fifty-three million, two hundred seventy-one thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 270 351 390 405 585 702 810 1053 1170 1755 2106 3510 5059 5265 10118 10530 15177 25295 30354 45531 50590 65767 75885 91062 131534 136593 151770 197301 227655 273186 328835 394602 409779 455310 591903 657670 682965 819558 986505 1183806 1365930 1775709 1973010 2048895 2959515 3551418 4097790 5327127 5919030 8878545 10654254 17757090 26635635 53271270