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102313442 = 27111973479
BaseRepresentation
bin1100001100100…
…10110111100010
321010112001122202
412012102313202
5202143012232
614052533202
72351435630
oct606226742
9233461582
10102313442
1152831670
122a321202
13182737ca
14d834350
158eb0162
hex6192de2

102313442 has 64 divisors (see below), whose sum is σ = 204595200. Its totient is φ = 37169280.

The previous prime is 102313441. The next prime is 102313481. The reversal of 102313442 is 244313201.

It is not an unprimeable number, because it can be changed into a prime (102313441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 213359 + ... + 213837.

It is an arithmetic number, because the mean of its divisors is an integer number (3196800).

Almost surely, 2102313442 is an apocalyptic number.

102313442 is a deficient number, since it is larger than the sum of its proper divisors (102281758).

102313442 is a wasteful number, since it uses less digits than its factorization.

102313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102313442 is about 10115.0107266379. The cubic root of 102313442 is about 467.7109795335.

Adding to 102313442 its reverse (244313201), we get a palindrome (346626643).

The spelling of 102313442 in words is "one hundred two million, three hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 7 11 14 19 22 38 73 77 133 146 154 209 266 418 479 511 803 958 1022 1387 1463 1606 2774 2926 3353 5269 5621 6706 9101 9709 10538 11242 15257 18202 19418 30514 34967 36883 63707 69934 73766 100111 106799 127414 200222 213598 244769 384637 489538 664373 700777 769274 1328746 1401554 2692459 4650611 5384918 7308103 9301222 14616206 51156721 102313442