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1307244 = 223412657
BaseRepresentation
bin100111111001001101100
32110102012110
410333021230
5313312434
644004020
714053131
oct4771154
92412173
101307244
11813174
12530610
1336a023
14260588
151ac4e9
hex13f26c

1307244 has 24 divisors (see below), whose sum is σ = 3125808. Its totient is φ = 424960.

The previous prime is 1307221. The next prime is 1307261. The reversal of 1307244 is 4427031.

It is a self number, because there is not a number n which added to its sum of digits gives 1307244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (130242).

21307244 is an apocalyptic number.

It is an amenable number.

1307244 is an abundant number, since it is smaller than the sum of its proper divisors (1818564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1307244 is a wasteful number, since it uses less digits than its factorization.

1307244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1307244 is about 1143.3477161389. The cubic root of 1307244 is about 109.3416321614.

It can be divided in two parts, 1307 and 244, that added together give a palindrome (1551).

The spelling of 1307244 in words is "one million, three hundred seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 2657 5314 7971 10628 15942 31884 108937 217874 326811 435748 653622 1307244