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5247385260 = 2235136727417
BaseRepresentation
bin1001110001100010…
…01011111010101100
3111112200212210100020
410320301023322230
541221312312020
62224405402140
7244015016205
oct47061137254
914480783306
105247385260
112253015237
121025409350
136581970c0
1437ac9a5ac
1520aa20c40
hex138c4beac

5247385260 has 48 divisors (see below), whose sum is σ = 15822887136. Its totient is φ = 1291663872.

The previous prime is 5247385243. The next prime is 5247385267. The reversal of 5247385260 is 625837425.

It is not an unprimeable number, because it can be changed into a prime (5247385267) 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, 3362929 + ... + 3364488.

It is an arithmetic number, because the mean of its divisors is an integer number (329643482).

Almost surely, 25247385260 is an apocalyptic number.

It is an amenable number.

5247385260 is an abundant number, since it is smaller than the sum of its proper divisors (10575501876).

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

5247385260 is a wasteful number, since it uses less digits than its factorization.

5247385260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727442 (or 6727440 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 5247385260 is about 72438.8380635692. The cubic root of 5247385260 is about 1737.7247378329.

The spelling of 5247385260 in words is "five billion, two hundred forty-seven million, three hundred eighty-five thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 6727417 13454834 20182251 26909668 33637085 40364502 67274170 80729004 87456421 100911255 134548340 174912842 201822510 262369263 349825684 403645020 437282105 524738526 874564210 1049477052 1311846315 1749128420 2623692630 5247385260