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53930880 = 273353121
BaseRepresentation
bin1100110110111…
…0101110000000
310202110222021000
43031232232000
5102301242010
65203532000
71223255613
oct315565600
9122428230
1053930880
1128496083
121608a000
13b233683
14723c17a
154b047c0
hex336eb80

53930880 has 128 divisors (see below), whose sum is σ = 191066400. Its totient is φ = 14376960.

The previous prime is 53930861. The next prime is 53930881. The reversal of 53930880 is 8803935.

53930880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53930881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15720 + ... + 18840.

Almost surely, 253930880 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 53930880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95533200).

53930880 is an abundant number, since it is smaller than the sum of its proper divisors (137135520).

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

53930880 is a wasteful number, since it uses less digits than its factorization.

53930880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3131 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 53930880 is about 7343.7647021129. The cubic root of 53930880 is about 377.8149762166.

The spelling of 53930880 in words is "fifty-three million, nine hundred thirty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3121 3456 4320 5760 6242 8640 9363 12484 15605 17280 18726 24968 28089 31210 37452 46815 49936 56178 62420 74904 84267 93630 99872 112356 124840 140445 149808 168534 187260 199744 224712 249680 280890 299616 337068 374520 399488 421335 449424 499360 561780 599232 674136 749040 842670 898848 998720 1123560 1198464 1348272 1498080 1685340 1797696 1997440 2247120 2696544 2996160 3370680 3595392 4494240 5393088 5992320 6741360 8988480 10786176 13482720 17976960 26965440 53930880