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5287541 = 7229612
BaseRepresentation
bin10100001010111001110101
3100221122010212
4110022321311
52323200131
6305155205
762641400
oct24127165
910848125
105287541
112a91676
12192bb05
13113192c
149b8d37
156e6a2b
hex50ae75

5287541 has 18 divisors (see below), whose sum is σ = 6468930. Its totient is φ = 4304160.

The previous prime is 5287537. The next prime is 5287543. The reversal of 5287541 is 1457825.

It can be written as a sum of positive squares in 3 ways, for example, as 207025 + 5080516 = 455^2 + 2254^2 .

It is not a de Polignac number, because 5287541 - 22 = 5287537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5287498 and 5287507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287543) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86651 + ... + 86711.

It is an arithmetic number, because the mean of its divisors is an integer number (359385).

Almost surely, 25287541 is an apocalyptic number.

It is an amenable number.

5287541 is a deficient number, since it is larger than the sum of its proper divisors (1181389).

5287541 is an equidigital number, since it uses as much as digits as its factorization.

5287541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 97 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 5287541 is about 2299.4653726464. The cubic root of 5287541 is about 174.2146138554.

The spelling of 5287541 in words is "five million, two hundred eighty-seven thousand, five hundred forty-one".

Divisors: 1 7 29 49 61 203 427 1421 1769 2989 3721 12383 26047 86681 107909 182329 755363 5287541