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5287869 = 331511297
BaseRepresentation
bin10100001010111110111101
3100221122121000
4110022332331
52323202434
6305200513
762642346
oct24127675
910848530
105287869
112a91944
121930139
131131b22
149b90cd
156e6b99
hex50afbd

5287869 has 16 divisors (see below), whose sum is σ = 7891840. Its totient is φ = 3499200.

The previous prime is 5287859. The next prime is 5287879. The reversal of 5287869 is 9687825.

5287869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5287859) and next prime (5287879).

It is not a de Polignac number, because 5287869 - 25 = 5287837 is a prime.

It is a super-2 number, since 2×52878692 = 55923117122322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429 + ... + 4725.

It is an arithmetic number, because the mean of its divisors is an integer number (493240).

Almost surely, 25287869 is an apocalyptic number.

It is an amenable number.

5287869 is a deficient number, since it is larger than the sum of its proper divisors (2603971).

5287869 is a wasteful number, since it uses less digits than its factorization.

5287869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1451 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 5287869 is about 2299.5366924665. The cubic root of 5287869 is about 174.2182161104.

The spelling of 5287869 in words is "five million, two hundred eighty-seven thousand, eight hundred sixty-nine".

Divisors: 1 3 9 27 151 453 1297 1359 3891 4077 11673 35019 195847 587541 1762623 5287869