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54427320 = 23325314877
BaseRepresentation
bin1100111110011…
…1111010111000
310210102012020200
43033213322320
5102413133240
65222322200
71230424143
oct317477270
9123365220
1054427320
11287a5062
1216289360
13b37861c
14732b05a
154ba1930
hex33e7eb8

54427320 has 96 divisors (see below), whose sum is σ = 182632320. Its totient is φ = 14042880.

The previous prime is 54427313. The next prime is 54427339. The reversal of 54427320 is 2372445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8722 + ... + 13598.

It is an arithmetic number, because the mean of its divisors is an integer number (1902420).

Almost surely, 254427320 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 54427320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91316160).

54427320 is an abundant number, since it is smaller than the sum of its proper divisors (128205000).

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

54427320 is a wasteful number, since it uses less digits than its factorization.

54427320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4918 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 54427320 is about 7377.4873771495. The cubic root of 54427320 is about 378.9707140832.

Adding to 54427320 its reverse (2372445), we get a palindrome (56799765).

The spelling of 54427320 in words is "fifty-four million, four hundred twenty-seven thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 155 180 186 248 279 310 360 372 465 558 620 744 930 1116 1240 1395 1860 2232 2790 3720 4877 5580 9754 11160 14631 19508 24385 29262 39016 43893 48770 58524 73155 87786 97540 117048 146310 151187 175572 195080 219465 292620 302374 351144 438930 453561 585240 604748 755935 877860 907122 1209496 1360683 1511870 1755720 1814244 2267805 2721366 3023740 3628488 4535610 5442732 6047480 6803415 9071220 10885464 13606830 18142440 27213660 54427320