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140145302 = 211231032689
BaseRepresentation
bin10000101101001…
…11001010010110
3100202201010012202
420112213022112
5241334122202
621523444502
73321133613
oct1026471226
9322633182
10140145302
1172121270
123ab26732
132305b51b
141488150a
15c484802
hex85a7296

140145302 has 32 divisors (see below), whose sum is σ = 241712640. Its totient is φ = 60318720.

The previous prime is 140145287. The next prime is 140145329. The reversal of 140145302 is 203541041.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50774 + ... + 53462.

It is an arithmetic number, because the mean of its divisors is an integer number (7553520).

Almost surely, 2140145302 is an apocalyptic number.

140145302 is a deficient number, since it is larger than the sum of its proper divisors (101567338).

140145302 is a wasteful number, since it uses less digits than its factorization.

140145302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140145302 is about 11838.2981040351. The cubic root of 140145302 is about 519.4289861162.

Adding to 140145302 its reverse (203541041), we get a palindrome (343686343).

The spelling of 140145302 in words is "one hundred forty million, one hundred forty-five thousand, three hundred two".

Divisors: 1 2 11 22 23 46 103 206 253 506 1133 2266 2369 2689 4738 5378 26059 29579 52118 59158 61847 123694 276967 553934 680317 1360634 3046637 6093274 6370241 12740482 70072651 140145302