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247012 = 22371669
BaseRepresentation
bin111100010011100100
3110112211121
4330103210
530401022
65143324
72046103
oct742344
9415747
10247012
11159647
12bab44
138857c
146603a
154d2c7
hex3c4e4

247012 has 12 divisors (see below), whose sum is σ = 444220. Its totient is φ = 120096.

The previous prime is 247007. The next prime is 247031. The reversal of 247012 is 210742.

247012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 65536 = 426^2 + 256^2 .

It is a super-2 number, since 2×2470122 = 122029856288, which contains 22 as substring.

It is an unprimeable number.

247012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687 + ... + 982.

2247012 is an apocalyptic number.

It is an amenable number.

247012 is a deficient number, since it is larger than the sum of its proper divisors (197208).

247012 is a wasteful number, since it uses less digits than its factorization.

247012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 247012 is about 497.0030180995. The cubic root of 247012 is about 62.7440696395.

Adding to 247012 its reverse (210742), we get a palindrome (457754).

The spelling of 247012 in words is "two hundred forty-seven thousand, twelve", and thus it is an iban number.

Divisors: 1 2 4 37 74 148 1669 3338 6676 61753 123506 247012