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7242342 = 2310311719
BaseRepresentation
bin11011101000001001100110
3111121221121220
4123220021212
53323223332
6415121210
7115362462
oct33501146
914557556
107242342
1140a7308
122513206
131667613
14d674a2
15980d2c
hex6e8266

7242342 has 16 divisors (see below), whose sum is σ = 14626560. Its totient is φ = 2390472.

The previous prime is 7242341. The next prime is 7242349. The reversal of 7242342 is 2432427.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5242 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (914160).

Almost surely, 27242342 is an apocalyptic number.

7242342 is an abundant number, since it is smaller than the sum of its proper divisors (7384218).

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

7242342 is a wasteful number, since it uses less digits than its factorization.

7242342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11827.

The product of its digits is 2688, while the sum is 24.

The square root of 7242342 is about 2691.1599729485. The cubic root of 7242342 is about 193.4756627979.

Adding to 7242342 its reverse (2432427), we get a palindrome (9674769).

The spelling of 7242342 in words is "seven million, two hundred forty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 103 206 309 618 11719 23438 35157 70314 1207057 2414114 3621171 7242342