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7240742 = 2171731231
BaseRepresentation
bin11011100111110000100110
3111121212102122
4123213300212
53323200432
6415105542
7115355015
oct33476046
914555378
107240742
1140a6093
1225122b2
131666982
14d66a7c
15980612
hex6e7c26

7240742 has 16 divisors (see below), whose sum is σ = 11575872. Its totient is φ = 3384960.

The previous prime is 7240741. The next prime is 7240769. The reversal of 7240742 is 2470427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7240741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267 + ... + 6497.

It is an arithmetic number, because the mean of its divisors is an integer number (723492).

Almost surely, 27240742 is an apocalyptic number.

7240742 is a deficient number, since it is larger than the sum of its proper divisors (4335130).

7240742 is a wasteful number, since it uses less digits than its factorization.

7240742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7240742 is about 2690.8626869463. The cubic root of 7240742 is about 193.4614140066.

The spelling of 7240742 in words is "seven million, two hundred forty thousand, seven hundred forty-two".

Divisors: 1 2 17 34 173 346 1231 2462 2941 5882 20927 41854 212963 425926 3620371 7240742