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1042443219 = 31560122273
BaseRepresentation
bin111110001000100…
…110101111010011
32200122112121021010
4332020212233103
54113331140334
6251235102003
734555423026
oct7610465723
92618477233
101042443219
11495483024
12251141903
13137c7ab0c
149c6391bd
15617b70e9
hex3e226bd3

1042443219 has 8 divisors (see below), whose sum is σ = 1390075792. Its totient is φ = 694886400.

The previous prime is 1042443203. The next prime is 1042443239. The reversal of 1042443219 is 9123442401.

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

It is not a de Polignac number, because 1042443219 - 24 = 1042443203 is a prime.

It is a super-2 number, since 2×10424432192 = 2173375729678163922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042443239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35667 + ... + 57939.

It is an arithmetic number, because the mean of its divisors is an integer number (173759474).

Almost surely, 21042443219 is an apocalyptic number.

1042443219 is a deficient number, since it is larger than the sum of its proper divisors (347632573).

1042443219 is a wasteful number, since it uses less digits than its factorization.

1042443219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37877.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1042443219 is about 32286.8892741311. The cubic root of 1042443219 is about 1013.9521712596.

The spelling of 1042443219 in words is "one billion, forty-two million, four hundred forty-three thousand, two hundred nineteen".

Divisors: 1 3 15601 22273 46803 66819 347481073 1042443219