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5287252740 = 223571119293167
BaseRepresentation
bin1001110110010010…
…10001001100000100
3111122110220021020120
410323021101030010
541312014041430
62232352101540
7245010623010
oct47311211404
914573807216
105287252740
112273575270
1210368348b0
13663515523
143822b7540
1520e298610
hex13b251304

5287252740 has 768 divisors, whose sum is σ = 21056716800. Its totient is φ = 958003200.

The previous prime is 5287252699. The next prime is 5287252757. The reversal of 5287252740 is 472527825.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5287252692 and 5287252701.

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 78914187 + ... + 78914253.

It is an arithmetic number, because the mean of its divisors is an integer number (27417600).

Almost surely, 25287252740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5287252740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10528358400).

5287252740 is an abundant number, since it is smaller than the sum of its proper divisors (15769464060).

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

5287252740 is a wasteful number, since it uses less digits than its factorization.

5287252740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 5287252740 is about 72713.4976465855. The cubic root of 5287252740 is about 1742.1144792145.

The spelling of 5287252740 in words is "five billion, two hundred eighty-seven million, two hundred fifty-two thousand, seven hundred forty".