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1021442214 = 231313095413
BaseRepresentation
bin111100111000011…
…111100010100110
32122012000122022010
4330320133202212
54042442122324
6245205015050
734212054432
oct7470374246
92565018263
101021442214
11484639721
122460b4486
13133806ba0
149992d9c2
155ea19829
hex3ce1f8a6

1021442214 has 16 divisors (see below), whose sum is σ = 2200029552. Its totient is φ = 314289888.

The previous prime is 1021442197. The next prime is 1021442221. The reversal of 1021442214 is 4122441201.

It is a congruent number.

It is an unprimeable number.

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, 6547629 + ... + 6547784.

It is an arithmetic number, because the mean of its divisors is an integer number (137501847).

Almost surely, 21021442214 is an apocalyptic number.

1021442214 is an abundant number, since it is smaller than the sum of its proper divisors (1178587338).

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

1021442214 is a wasteful number, since it uses less digits than its factorization.

1021442214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095431.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1021442214 is about 31960.0096057558. The cubic root of 1021442214 is about 1007.0969192553.

Adding to 1021442214 its reverse (4122441201), we get a palindrome (5143883415).

The spelling of 1021442214 in words is "one billion, twenty-one million, four hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 13095413 26190826 39286239 78572478 170240369 340480738 510721107 1021442214