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5287422 = 237312131
BaseRepresentation
bin10100001010110111111110
3100221121222110
4110022313332
52323144142
6305154450
762641140
oct24126776
910847873
105287422
112a91578
12192ba26
13113186a
149b8c90
156e699c
hex50adfe

5287422 has 48 divisors (see below), whose sum is σ = 12583296. Its totient is φ = 1450800.

The previous prime is 5287393. The next prime is 5287427. The reversal of 5287422 is 2247825.

It is a self number, because there is not a number n which added to its sum of digits gives 5287422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40297 + ... + 40427.

It is an arithmetic number, because the mean of its divisors is an integer number (262152).

Almost surely, 25287422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5287422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6291648).

5287422 is an abundant number, since it is smaller than the sum of its proper divisors (7295874).

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

5287422 is a wasteful number, since it uses less digits than its factorization.

5287422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 174 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 5287422 is about 2299.4394969209. The cubic root of 5287422 is about 174.2133069029.

The spelling of 5287422 in words is "five million, two hundred eighty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 31 42 62 93 131 186 217 262 393 434 651 786 917 961 1302 1834 1922 2751 2883 4061 5502 5766 6727 8122 12183 13454 20181 24366 28427 40362 56854 85281 125891 170562 251782 377673 755346 881237 1762474 2643711 5287422