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42282681 = 3714091429
BaseRepresentation
bin1010000101001…
…0111010111001
32221120011221020
42201102322321
541311021211
64110133053
71022253060
oct241227271
987504836
1042282681
112195a671
12121b1189
1389b584c
1458891d7
153aa3306
hex2852eb9

42282681 has 16 divisors (see below), whose sum is σ = 64521600. Its totient is φ = 24127488.

The previous prime is 42282659. The next prime is 42282697. The reversal of 42282681 is 18628224.

It is a happy number.

42282681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42282681 - 25 = 42282649 is a prime.

It is a super-2 number, since 2×422826812 = 3575650225095522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42286681) 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 15 ways as a sum of consecutive naturals, for example, 28875 + ... + 30303.

It is an arithmetic number, because the mean of its divisors is an integer number (4032600).

Almost surely, 242282681 is an apocalyptic number.

It is an amenable number.

42282681 is a deficient number, since it is larger than the sum of its proper divisors (22238919).

42282681 is a wasteful number, since it uses less digits than its factorization.

42282681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848.

The product of its digits is 12288, while the sum is 33.

The square root of 42282681 is about 6502.5134371257. The cubic root of 42282681 is about 348.3807679934.

The spelling of 42282681 in words is "forty-two million, two hundred eighty-two thousand, six hundred eighty-one".

Divisors: 1 3 7 21 1409 1429 4227 4287 9863 10003 29589 30009 2013461 6040383 14094227 42282681