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5287779 = 32783933
BaseRepresentation
bin10100001010111101100011
3100221122110200
4110022331203
52323202104
6305200243
762642160
oct24127543
910848420
105287779
112a91872
121930083
131131a83
149b9067
156e6b39
hex50af63

5287779 has 12 divisors (see below), whose sum is σ = 8729136. Its totient is φ = 3021552.

The previous prime is 5287741. The next prime is 5287783. The reversal of 5287779 is 9777825.

5287779 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5287779 - 28 = 5287523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5287739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41904 + ... + 42029.

It is an arithmetic number, because the mean of its divisors is an integer number (727428).

Almost surely, 25287779 is an apocalyptic number.

5287779 is a deficient number, since it is larger than the sum of its proper divisors (3441357).

5287779 is a wasteful number, since it uses less digits than its factorization.

5287779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83946 (or 83943 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 5287779 is about 2299.5171232239. The cubic root of 5287779 is about 174.2172277016.

The spelling of 5287779 in words is "five million, two hundred eighty-seven thousand, seven hundred seventy-nine".

Divisors: 1 3 7 9 21 63 83933 251799 587531 755397 1762593 5287779