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7427342 = 213285667
BaseRepresentation
bin11100010101010100001110
3111222100101202
4130111110032
53400133332
6423105502
7120063026
oct34252416
914870352
107427342
1142132aa
1225a2292
1317008a0
14db4a86
159baa62
hex71550e

7427342 has 8 divisors (see below), whose sum is σ = 11998056. Its totient is φ = 3427992.

The previous prime is 7427339. The next prime is 7427353. The reversal of 7427342 is 2437247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 142808 + ... + 142859.

It is an arithmetic number, because the mean of its divisors is an integer number (1499757).

Almost surely, 27427342 is an apocalyptic number.

7427342 is a deficient number, since it is larger than the sum of its proper divisors (4570714).

7427342 is a wasteful number, since it uses less digits than its factorization.

7427342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285682.

The product of its digits is 9408, while the sum is 29.

The square root of 7427342 is about 2725.3150276619. The cubic root of 7427342 is about 195.1092265561.

The spelling of 7427342 in words is "seven million, four hundred twenty-seven thousand, three hundred forty-two".

Divisors: 1 2 13 26 285667 571334 3713671 7427342