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52015000240 = 245792883929
BaseRepresentation
bin110000011100010101…
…011110101010110000
311222021000101210022101
4300130111132222300
51323011320001430
635521221550144
73520660131010
oct603425365260
9158230353271
1052015000240
1120072125605
12a0b7875354
134b9c369868
1427361b1c40
15154671bdca
hexc1c55eab0

52015000240 has 40 divisors (see below), whose sum is σ = 138211287840. Its totient is φ = 17833714176.

The previous prime is 52015000217. The next prime is 52015000259. The reversal of 52015000240 is 4200051025.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 46441405 + ... + 46442524.

It is an arithmetic number, because the mean of its divisors is an integer number (3455282196).

Almost surely, 252015000240 is an apocalyptic number.

It is an amenable number.

52015000240 is an abundant number, since it is smaller than the sum of its proper divisors (86196287600).

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

52015000240 is a wasteful number, since it uses less digits than its factorization.

52015000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92883949 (or 92883943 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 52015000240 its reverse (4200051025), we get a palindrome (56215051265).

The spelling of 52015000240 in words is "fifty-two billion, fifteen million, two hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 92883929 185767858 371535716 464419645 650187503 743071432 928839290 1300375006 1486142864 1857678580 2600750012 3250937515 3715357160 5201500024 6501875030 7430714320 10403000048 13003750060 26007500120 52015000240