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23190206 = 2131018831
BaseRepresentation
bin101100001110…
…1101010111110
31121122011222112
41120131222332
521414041311
62145014022
7401053634
oct130355276
947564875
1023190206
11120aa166
127924312
134a5c520
143119354
15208128b
hex161dabe

23190206 has 16 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 10596000.

The previous prime is 23190197. The next prime is 23190247. The reversal of 23190206 is 60209132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (2364768).

Almost surely, 223190206 is an apocalyptic number.

23190206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23190206 is a deficient number, since it is larger than the sum of its proper divisors (14646082).

23190206 is a wasteful number, since it uses less digits than its factorization.

23190206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 23190206 is about 4815.6210399075. The cubic root of 23190206 is about 285.1684896802.

Adding to 23190206 its reverse (60209132), we get a palindrome (83399338).

The spelling of 23190206 in words is "twenty-three million, one hundred ninety thousand, two hundred six".

Divisors: 1 2 13 26 101 202 1313 2626 8831 17662 114803 229606 891931 1783862 11595103 23190206