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1021442332 = 221349918917
BaseRepresentation
bin111100111000011…
…111100100011100
32122012000122110111
4330320133210130
54042442123312
6245205015404
734212054661
oct7470374434
92565018414
101021442332
11484639819
122460b4564
13133806c61
149992da68
155ea198a7
hex3ce1f91c

1021442332 has 12 divisors (see below), whose sum is σ = 1787751000. Its totient is φ = 510656336.

The previous prime is 1021442311. The next prime is 1021442333. The reversal of 1021442332 is 2332441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021442333) 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 3 ways as a sum of consecutive naturals, for example, 44538 + ... + 63454.

It is an arithmetic number, because the mean of its divisors is an integer number (148979250).

Almost surely, 21021442332 is an apocalyptic number.

It is an amenable number.

1021442332 is a deficient number, since it is larger than the sum of its proper divisors (766308668).

1021442332 is a wasteful number, since it uses less digits than its factorization.

1021442332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32420 (or 32418 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1021442332 is about 31960.0114518127. The cubic root of 1021442332 is about 1007.0969580362.

Adding to 1021442332 its reverse (2332441201), we get a palindrome (3353883533).

The spelling of 1021442332 in words is "one billion, twenty-one million, four hundred forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 13499 18917 26998 37834 53996 75668 255360583 510721166 1021442332