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5631285 = 351134129
BaseRepresentation
bin10101011110110100110101
3101121002200010
4111132310311
52420200120
6320410433
765602512
oct25366465
911532603
105631285
1131a6960
121a76a19
13122222a
14a68309
157637e0
hex55ed35

5631285 has 16 divisors (see below), whose sum is σ = 9829440. Its totient is φ = 2730240.

The previous prime is 5631281. The next prime is 5631287. The reversal of 5631285 is 5821365.

It is not a de Polignac number, because 5631285 - 22 = 5631281 is a prime.

It is a super-2 number, since 2×56312852 = 63422741502450, 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16900 + ... + 17229.

It is an arithmetic number, because the mean of its divisors is an integer number (614340).

Almost surely, 25631285 is an apocalyptic number.

5631285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5631285 is a deficient number, since it is larger than the sum of its proper divisors (4198155).

5631285 is a wasteful number, since it uses less digits than its factorization.

5631285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34148.

The product of its digits is 7200, while the sum is 30.

The square root of 5631285 is about 2373.0328695574. The cubic root of 5631285 is about 177.9108778276.

The spelling of 5631285 in words is "five million, six hundred thirty-one thousand, two hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 34129 102387 170645 375419 511935 1126257 1877095 5631285