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1308112 = 241319331
BaseRepresentation
bin100111111010111010000
32110110101121
410333113100
5313324422
644012024
714055511
oct4772720
92413347
101308112
11813893
12531014
1336a540
14260a08
151ac8c7
hex13f5d0

1308112 has 40 divisors (see below), whose sum is σ = 2881760. Its totient is φ = 570240.

The previous prime is 1308091. The next prime is 1308121. The reversal of 1308112 is 2118031.

It is a super-2 number, since 2×13081122 = 3422314009088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 3787 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (72044).

21308112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440880).

1308112 is an abundant number, since it is smaller than the sum of its proper divisors (1573648).

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

1308112 is a wasteful number, since it uses less digits than its factorization.

1308112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1308112 is about 1143.7272402107. The cubic root of 1308112 is about 109.3658274757.

The spelling of 1308112 in words is "one million, three hundred eight thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 331 494 662 988 1324 1976 2648 3952 4303 5296 6289 8606 12578 17212 25156 34424 50312 68848 81757 100624 163514 327028 654056 1308112