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5631868 = 2211127997
BaseRepresentation
bin10101011110111101111100
3101121010110201
4111132331330
52420204433
6320413244
765604304
oct25367574
911533421
105631868
1131a7340
121a77224
131222588
14a68604
15763a7d
hex55ef7c

5631868 has 12 divisors (see below), whose sum is σ = 10751832. Its totient is φ = 2559920.

The previous prime is 5631851. The next prime is 5631889. The reversal of 5631868 is 8681365.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63955 + ... + 64042.

It is an arithmetic number, because the mean of its divisors is an integer number (895986).

Almost surely, 25631868 is an apocalyptic number.

It is an amenable number.

5631868 is a deficient number, since it is larger than the sum of its proper divisors (5119964).

5631868 is a wasteful number, since it uses less digits than its factorization.

5631868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128012 (or 128010 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 5631868 is about 2373.1557049633. The cubic root of 5631868 is about 177.9170172471.

The spelling of 5631868 in words is "five million, six hundred thirty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 127997 255994 511988 1407967 2815934 5631868