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1231068 = 223173593
BaseRepresentation
bin100101100100011011100
32022112201010
410230203130
5303343233
642215220
713315056
oct4544334
92275633
101231068
11770a13
124b4510
13341457
142408d6
15194b63
hex12c8dc

1231068 has 24 divisors (see below), whose sum is σ = 2893968. Its totient is φ = 407296.

The previous prime is 1231063. The next prime is 1231073. The reversal of 1231068 is 8601321.

It is an interprime number because it is at equal distance from previous prime (1231063) and next prime (1231073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (120582).

21231068 is an apocalyptic number.

It is an amenable number.

1231068 is an abundant number, since it is smaller than the sum of its proper divisors (1662900).

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

1231068 is a wasteful number, since it uses less digits than its factorization.

1231068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1231068 is about 1109.5350377523. The cubic root of 1231068 is about 107.1751288184.

Adding to 1231068 its reverse (8601321), we get a palindrome (9832389).

It can be divided in two parts, 12 and 31068, that multiplied together give a triangular number (372816 = T863).

The spelling of 1231068 in words is "one million, two hundred thirty-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 173 346 519 593 692 1038 1186 1779 2076 2372 3558 7116 102589 205178 307767 410356 615534 1231068