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5638893 = 313191757
BaseRepresentation
bin10101100000101011101101
3101121111002220
4111200223231
52420421033
6320505553
765633631
oct25405355
911544086
105638893
113201647
121a7b2b9
131225830
14a6adc1
15765bb3
hex560aed

5638893 has 16 divisors (see below), whose sum is σ = 8150016. Its totient is φ = 3447360.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638893 is 3988365.

It is not a de Polignac number, because 5638893 - 216 = 5573357 is a prime.

It is a super-2 number, since 2×56388932 = 63594228530898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638823) 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, 7071 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (509376).

Almost surely, 25638893 is an apocalyptic number.

It is an amenable number.

5638893 is a deficient number, since it is larger than the sum of its proper divisors (2511123).

5638893 is a wasteful number, since it uses less digits than its factorization.

5638893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its digits is 155520, while the sum is 42.

The square root of 5638893 is about 2374.6353404260. The cubic root of 5638893 is about 177.9909623825.

The spelling of 5638893 in words is "five million, six hundred thirty-eight thousand, eight hundred ninety-three".

Divisors: 1 3 13 39 191 573 757 2271 2483 7449 9841 29523 144587 433761 1879631 5638893