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2743242 = 232391913
BaseRepresentation
bin1010011101101111001010
312011101000120
422131233022
51200240432
6134444110
732213535
oct12355712
95141016
102743242
111604047
12b03636
13750828
14515a1c
15392c2c
hex29dbca

2743242 has 16 divisors (see below), whose sum is σ = 5512320. Its totient is φ = 910112.

The previous prime is 2743229. The next prime is 2743243. The reversal of 2743242 is 2423472.

It is a d-powerful number, because it can be written as 25 + 76 + 42 + 32 + 219 + 46 + 221 .

It is not an unprimeable number, because it can be changed into a prime (2743243) 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, 478 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (344520).

22743242 is an apocalyptic number.

2743242 is an abundant number, since it is smaller than the sum of its proper divisors (2769078).

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

2743242 is a wasteful number, since it uses less digits than its factorization.

2743242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157.

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

The square root of 2743242 is about 1656.2735281348. The cubic root of 2743242 is about 139.9871076563.

The spelling of 2743242 in words is "two million, seven hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 239 478 717 1434 1913 3826 5739 11478 457207 914414 1371621 2743242