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52415040240 = 2432572798667
BaseRepresentation
bin110000110100001011…
…100000101011110000
312000021220010221000200
4300310023200223300
51324321222241430
640025032115200
73533615330253
oct606413405360
9160256127020
1052415040240
1120257a18582
12a1a9835b00
134c341c3414
14277338709a
15156b8dc460
hexc342e0af0

52415040240 has 60 divisors (see below), whose sum is σ = 176027179224. Its totient is φ = 13977343872.

The previous prime is 52415040229. The next prime is 52415040283. The reversal of 52415040240 is 4204051425.

52415040240 is a `hidden beast` number, since 5 + 2 + 415 + 0 + 4 + 0 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36398614 + ... + 36400053.

Almost surely, 252415040240 is an apocalyptic number.

It is an amenable number.

52415040240 is an abundant number, since it is smaller than the sum of its proper divisors (123612138984).

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

52415040240 is a wasteful number, since it uses less digits than its factorization.

52415040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72798686 (or 72798677 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 52415040240 its reverse (4204051425), we get a palindrome (56619091665).

The spelling of 52415040240 in words is "fifty-two billion, four hundred fifteen million, forty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 72798667 145597334 218396001 291194668 363993335 436792002 582389336 655188003 727986670 873584004 1091980005 1164778672 1310376006 1455973340 1747168008 2183960010 2620752012 2911946680 3275940015 3494336016 4367920020 5241504024 5823893360 6551880030 8735840040 10483008048 13103760060 17471680080 26207520120 52415040240