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1382224 = 2486389
BaseRepresentation
bin101010001011101010000
32121020001111
411101131100
5323212344
645343104
714514544
oct5213520
92536044
101382224
11864538
12567a94
133951ac
1427da24
151c4834
hex151750

1382224 has 10 divisors (see below), whose sum is σ = 2678090. Its totient is φ = 691104.

The previous prime is 1382221. The next prime is 1382237. The reversal of 1382224 is 4222831.

It can be written as a sum of positive squares in only one way, i.e., 846400 + 535824 = 920^2 + 732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1382195 and 1382204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43179 + ... + 43210.

It is an arithmetic number, because the mean of its divisors is an integer number (267809).

21382224 is an apocalyptic number.

It is an amenable number.

1382224 is a deficient number, since it is larger than the sum of its proper divisors (1295866).

1382224 is an equidigital number, since it uses as much as digits as its factorization.

1382224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86397 (or 86391 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1382224 is about 1175.6802286336. The cubic root of 1382224 is about 111.3934042619.

The spelling of 1382224 in words is "one million, three hundred eighty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 86389 172778 345556 691112 1382224