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1021430514 = 231343304541
BaseRepresentation
bin111100111000011…
…100101011110010
32122012000001020210
4330320130223302
54042441234024
6245204444550
734212005346
oct7470345362
92565001223
101021430514
11484630955
122460a9756
13133801770
1499929626
155ea16129
hex3ce1caf2

1021430514 has 32 divisors (see below), whose sum is σ = 2251174464. Its totient is φ = 306976320.

The previous prime is 1021430491. The next prime is 1021430521. The reversal of 1021430514 is 4150341201.

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 15 ways as a sum of consecutive naturals, for example, 148917 + ... + 155624.

It is an arithmetic number, because the mean of its divisors is an integer number (70349202).

Almost surely, 21021430514 is an apocalyptic number.

1021430514 is an abundant number, since it is smaller than the sum of its proper divisors (1229743950).

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

1021430514 is a wasteful number, since it uses less digits than its factorization.

1021430514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304602.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1021430514 is about 31959.8265639850. The cubic root of 1021430514 is about 1007.0930740128.

Adding to 1021430514 its reverse (4150341201), we get a palindrome (5171771715).

The spelling of 1021430514 in words is "one billion, twenty-one million, four hundred thirty thousand, five hundred fourteen".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 304541 609082 913623 1827246 3959033 7918066 11877099 13095263 23754198 26190526 39285789 78571578 170238419 340476838 510715257 1021430514