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5631284 = 221782813
BaseRepresentation
bin10101011110110100110100
3101121002200002
4111132310310
52420200114
6320410432
765602511
oct25366464
911532602
105631284
1131a695a
121a76a18
131222229
14a68308
157637de
hex55ed34

5631284 has 12 divisors (see below), whose sum is σ = 10434564. Its totient is φ = 2649984.

The previous prime is 5631281. The next prime is 5631287. The reversal of 5631284 is 4821365.

It is an interprime number because it is at equal distance from previous prime (5631281) and next prime (5631287).

It can be written as a sum of positive squares in 2 ways, for example, as 4243600 + 1387684 = 2060^2 + 1178^2 .

It is a super-2 number, since 2×56312842 = 63422718977312, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631281) by changing a digit.

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, 41339 + ... + 41474.

It is an arithmetic number, because the mean of its divisors is an integer number (869547).

Almost surely, 25631284 is an apocalyptic number.

It is an amenable number.

5631284 is a deficient number, since it is larger than the sum of its proper divisors (4803280).

5631284 is a wasteful number, since it uses less digits than its factorization.

5631284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82834 (or 82832 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 5631284 is about 2373.0326588566. The cubic root of 5631284 is about 177.9108672965.

The spelling of 5631284 in words is "five million, six hundred thirty-one thousand, two hundred eighty-four".

Divisors: 1 2 4 17 34 68 82813 165626 331252 1407821 2815642 5631284