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12163146 = 236133307
BaseRepresentation
bin101110011001…
…100001001010
3211212221200220
4232121201022
511103210041
61112410510
7205246032
oct56314112
924787626
1012163146
116958396
1240a6a36
13269b338
1418888c2
151103d66
hexb9984a

12163146 has 16 divisors (see below), whose sum is σ = 24373344. Its totient is φ = 4046544.

The previous prime is 12163133. The next prime is 12163147. The reversal of 12163146 is 64136121.

It is not an unprimeable number, because it can be changed into a prime (12163147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (1523334).

Almost surely, 212163146 is an apocalyptic number.

12163146 is an abundant number, since it is smaller than the sum of its proper divisors (12210198).

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

12163146 is a wasteful number, since it uses less digits than its factorization.

12163146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925.

The product of its digits is 864, while the sum is 24.

The square root of 12163146 is about 3487.5702143469. The cubic root of 12163146 is about 229.9757126213.

Adding to 12163146 its reverse (64136121), we get a palindrome (76299267).

The spelling of 12163146 in words is "twelve million, one hundred sixty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 613 1226 1839 3307 3678 6614 9921 19842 2027191 4054382 6081573 12163146