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5636481 = 31878827
BaseRepresentation
bin10101100000000110000001
3101121100210120
4111200012001
52420331411
6320450453
765623614
oct25400601
911540716
105636481
1131aa854
121a79a29
1312246c6
14a6a17b
15765106
hex560181

5636481 has 4 divisors (see below), whose sum is σ = 7515312. Its totient is φ = 3757652.

The previous prime is 5636471. The next prime is 5636539. The reversal of 5636481 is 1846365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5636481 - 213 = 5628289 is a prime.

It is a super-2 number, since 2×56364812 = 63539836126722, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5636471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939411 + ... + 939416.

It is an arithmetic number, because the mean of its divisors is an integer number (1878828).

Almost surely, 25636481 is an apocalyptic number.

It is an amenable number.

5636481 is a deficient number, since it is larger than the sum of its proper divisors (1878831).

5636481 is a wasteful number, since it uses less digits than its factorization.

5636481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878830.

The product of its digits is 17280, while the sum is 33.

The square root of 5636481 is about 2374.1274186530. The cubic root of 5636481 is about 177.9655806023.

The spelling of 5636481 in words is "five million, six hundred thirty-six thousand, four hundred eighty-one".

Divisors: 1 3 1878827 5636481