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1282068 = 22351319
BaseRepresentation
bin100111001000000010100
32102010200000
410321000110
5312011233
643251300
713616544
oct4710024
92363600
101282068
117a6267
12519b30
1335b728
14255324
151a4d13
hex139014

1282068 has 36 divisors (see below), whose sum is σ = 3363360. Its totient is φ = 427032.

The previous prime is 1282051. The next prime is 1282069. The reversal of 1282068 is 8602821.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313 + ... + 1631.

21282068 is an apocalyptic number.

1282068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1282068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681680).

1282068 is an abundant number, since it is smaller than the sum of its proper divisors (2081292).

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

1282068 is a wasteful number, since it uses less digits than its factorization.

1282068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1282068 is about 1132.2844165668. The cubic root of 1282068 is about 108.6351462813.

Adding to 1282068 its reverse (8602821), we get a palindrome (9884889).

The spelling of 1282068 in words is "one million, two hundred eighty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 1319 2638 3957 5276 7914 11871 15828 23742 35613 47484 71226 106839 142452 213678 320517 427356 641034 1282068