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5653885 = 51130777
BaseRepresentation
bin10101100100010101111101
3101122020200011
4111210111331
52421411020
6321103221
766025426
oct25442575
911566604
105653885
113211936
121a87b11
13122c5c3
14a7264d
1576a35a
hex56457d

5653885 has 4 divisors (see below), whose sum is σ = 6784668. Its totient is φ = 4523104.

The previous prime is 5653871. The next prime is 5653909. The reversal of 5653885 is 5883565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5883565 = 51176713.

It can be written as a sum of positive squares in 2 ways, for example, as 3006756 + 2647129 = 1734^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 5653885 - 27 = 5653757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565384 + ... + 565393.

It is an arithmetic number, because the mean of its divisors is an integer number (1696167).

Almost surely, 25653885 is an apocalyptic number.

It is an amenable number.

5653885 is a deficient number, since it is larger than the sum of its proper divisors (1130783).

5653885 is a wasteful number, since it uses less digits than its factorization.

5653885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130782.

The product of its digits is 144000, while the sum is 40.

The square root of 5653885 is about 2377.7899402597. The cubic root of 5653885 is about 178.1485630058.

The spelling of 5653885 in words is "five million, six hundred fifty-three thousand, eight hundred eighty-five".

Divisors: 1 5 1130777 5653885