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5287530 = 235337523
BaseRepresentation
bin10100001010111001101010
3100221122010110
4110022321222
52323200110
6305155150
762641353
oct24127152
910848113
105287530
112a91666
12192bab6
131131921
149b8d2a
156e6a20
hex50ae6a

5287530 has 32 divisors (see below), whose sum is σ = 12752064. Its totient is φ = 1403136.

The previous prime is 5287523. The next prime is 5287531. The reversal of 5287530 is 357825.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 56 + 216 + 85 + 7 + 58 + 314 + 0 .

It is not an unprimeable number, because it can be changed into a prime (5287531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9849 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (398502).

Almost surely, 25287530 is an apocalyptic number.

5287530 is an abundant number, since it is smaller than the sum of its proper divisors (7464534).

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

5287530 is a wasteful number, since it uses less digits than its factorization.

5287530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 5287530 is about 2299.4629807849. The cubic root of 5287530 is about 174.2144930455.

The spelling of 5287530 in words is "five million, two hundred eighty-seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 337 523 674 1011 1046 1569 1685 2022 2615 3138 3370 5055 5230 7845 10110 15690 176251 352502 528753 881255 1057506 1762510 2643765 5287530