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52025524240 = 2451321492293
BaseRepresentation
bin110000011100111101…
…101000000000010000
311222021202012110112011
4300130331220000100
51323022013233430
635522235312304
73521145442144
oct603475500020
9158252173464
1052025524240
1120078063428
12a0bb2ab694
134ba15b2a91
142737751224
1515475ea22a
hexc1cf68010

52025524240 has 40 divisors (see below), whose sum is σ = 121051156248. Its totient is φ = 20794414080.

The previous prime is 52025524237. The next prime is 52025524247. The reversal of 52025524240 is 4242552025.

It can be written as a sum of positive squares in 4 ways, for example, as 8599965696 + 43425558544 = 92736^2 + 208388^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52025524247) 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 7 ways as a sum of consecutive naturals, for example, 140467 + ... + 351826.

Almost surely, 252025524240 is an apocalyptic number.

It is an amenable number.

52025524240 is an abundant number, since it is smaller than the sum of its proper divisors (69025632008).

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

52025524240 is a wasteful number, since it uses less digits than its factorization.

52025524240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493627 (or 493621 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 52025524240 in words is "fifty-two billion, twenty-five million, five hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1321 2642 5284 6605 10568 13210 21136 26420 52840 105680 492293 984586 1969172 2461465 3938344 4922930 7876688 9845860 19691720 39383440 650319053 1300638106 2601276212 3251595265 5202552424 6503190530 10405104848 13006381060 26012762120 52025524240