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53225424240 = 2435239642287
BaseRepresentation
bin110001100100011110…
…111000010101110000
312002101101000200212220
4301210132320111300
51333001202033430
640241301321040
73562655432652
oct614436702560
9162341020786
1053225424240
112063340101a
12a395106180
135033070891
14280cc566d2
1515b7b16110
hexc647b8570

53225424240 has 80 divisors (see below), whose sum is σ = 172172694528. Its totient is φ = 13576338688.

The previous prime is 53225424229. The next prime is 53225424247. The reversal of 53225424240 is 4242452235.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53225424247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4815624 + ... + 4826663.

Almost surely, 253225424240 is an apocalyptic number.

It is an amenable number.

53225424240 is an abundant number, since it is smaller than the sum of its proper divisors (118947270288).

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

53225424240 is a wasteful number, since it uses less digits than its factorization.

53225424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642326 (or 9642320 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 53225424240 its reverse (4242452235), we get a palindrome (57467876475).

The spelling of 53225424240 in words is "fifty-three billion, two hundred twenty-five million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 40 46 48 60 69 80 92 115 120 138 184 230 240 276 345 368 460 552 690 920 1104 1380 1840 2760 5520 9642287 19284574 28926861 38569148 48211435 57853722 77138296 96422870 115707444 144634305 154276592 192845740 221772601 231414888 289268610 385691480 443545202 462829776 578537220 665317803 771382960 887090404 1108863005 1157074440 1330635606 1774180808 2217726010 2314148880 2661271212 3326589015 3548361616 4435452020 5322542424 6653178030 8870904040 10645084848 13306356060 17741808080 26612712120 53225424240