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42442284 = 2234637639
BaseRepresentation
bin1010000111100…
…1111000101100
32221212021212110
42201321320230
541331123114
64113404020
71023516303
oct241717054
987767773
1042442284
1121a59575
1212269610
138a403a1
1458cb43a
153ad5759
hex2879e2c

42442284 has 24 divisors (see below), whose sum is σ = 99258880. Its totient is φ = 14115024.

The previous prime is 42442259. The next prime is 42442307. The reversal of 42442284 is 48224424.

42442284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×424422842 = 3602694942273312, which contains 22 as substring.

It is an unprimeable number.

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, 1737 + ... + 9375.

Almost surely, 242442284 is an apocalyptic number.

It is an amenable number.

42442284 is an abundant number, since it is smaller than the sum of its proper divisors (56816596).

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

42442284 is a wasteful number, since it uses less digits than its factorization.

42442284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109 (or 8107 counting only the distinct ones).

The product of its digits is 16384, while the sum is 30.

The square root of 42442284 is about 6514.7742861898. The cubic root of 42442284 is about 348.8185579688.

The spelling of 42442284 in words is "forty-two million, four hundred forty-two thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 463 926 1389 1852 2778 5556 7639 15278 22917 30556 45834 91668 3536857 7073714 10610571 14147428 21221142 42442284