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1300312 = 231312503
BaseRepresentation
bin100111101011101011000
32110001200201
410331131120
5313102222
643511544
714023666
oct4753530
92401621
101300312
11808a42
125285b4
13366b20
1425bc36
151aa427
hex13d758

1300312 has 16 divisors (see below), whose sum is σ = 2625840. Its totient is φ = 600096.

The previous prime is 1300309. The next prime is 1300319. The reversal of 1300312 is 2130031.

It is a super-2 number, since 2×13003122 = 3381622594688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6148 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (164115).

21300312 is an apocalyptic number.

It is an amenable number.

1300312 is an abundant number, since it is smaller than the sum of its proper divisors (1325528).

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

1300312 is a wasteful number, since it uses less digits than its factorization.

1300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522 (or 12518 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1300312 is about 1140.3122379419. The cubic root of 1300312 is about 109.1480187508.

Adding to 1300312 its reverse (2130031), we get a palindrome (3430343).

It can be divided in two parts, 130031 and 2, that multiplied together give a palindrome (260062).

The spelling of 1300312 in words is "one million, three hundred thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 12503 25006 50012 100024 162539 325078 650156 1300312