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23105342 = 2132197347
BaseRepresentation
bin101100000100…
…0111100111110
31121110212120102
41120020330332
521403332332
62143121102
7400251341
oct130107476
947425512
1023105342
1112051427
1278a3192
134a2ca00
1430d6458
152066062
hex1608f3e

23105342 has 24 divisors (see below), whose sum is σ = 37828296. Its totient is φ = 10579296.

The previous prime is 23105309. The next prime is 23105351. The reversal of 23105342 is 24350132.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 66413 + ... + 66759.

It is an arithmetic number, because the mean of its divisors is an integer number (1576179).

Almost surely, 223105342 is an apocalyptic number.

23105342 is a deficient number, since it is larger than the sum of its proper divisors (14722954).

23105342 is a wasteful number, since it uses less digits than its factorization.

23105342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23105342 is about 4806.8016393440. The cubic root of 23105342 is about 284.8202087536.

Adding to 23105342 its reverse (24350132), we get a palindrome (47455474).

The spelling of 23105342 in words is "twenty-three million, one hundred five thousand, three hundred forty-two".

Divisors: 1 2 13 26 169 197 338 347 394 694 2561 4511 5122 9022 33293 58643 66586 68359 117286 136718 888667 1777334 11552671 23105342