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1231242 = 231712071
BaseRepresentation
bin100101100100110001010
32022112221120
410230212022
5303344432
642220110
713315425
oct4544612
92275846
101231242
11771061
124b4636
1334155c
142409bc
15194c2c
hex12c98a

1231242 has 16 divisors (see below), whose sum is σ = 2607552. Its totient is φ = 386240.

The previous prime is 1231231. The next prime is 1231247. The reversal of 1231242 is 2421321.

It is not an unprimeable number, because it can be changed into a prime (1231247) 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, 5934 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (162972).

21231242 is an apocalyptic number.

1231242 is an abundant number, since it is smaller than the sum of its proper divisors (1376310).

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

1231242 is a wasteful number, since it uses less digits than its factorization.

1231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093.

The product of its digits is 96, while the sum is 15.

The square root of 1231242 is about 1109.6134462055. The cubic root of 1231242 is about 107.1801779827.

Adding to 1231242 its reverse (2421321), we get a palindrome (3652563).

The spelling of 1231242 in words is "one million, two hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 12071 24142 36213 72426 205207 410414 615621 1231242