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12195323 = 72417229
BaseRepresentation
bin101110100001…
…010111111011
3211221120211122
4232201113323
511110222243
61113215455
7205441610
oct56412773
924846748
1012195323
11697a588
12410158b
1326acb8a
141896507
15110d668
hexba15fb

12195323 has 8 divisors (see below), whose sum is σ = 13997280. Its totient is φ = 10408320.

The previous prime is 12195301. The next prime is 12195331. The reversal of 12195323 is 32359121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12195323 - 28 = 12195067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12195292 and 12195301.

It is not an unprimeable number, because it can be changed into a prime (12195343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (1749660).

Almost surely, 212195323 is an apocalyptic number.

12195323 is a deficient number, since it is larger than the sum of its proper divisors (1801957).

12195323 is an equidigital number, since it uses as much as digits as its factorization.

12195323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477.

The product of its digits is 1620, while the sum is 26.

The square root of 12195323 is about 3492.1802645339. The cubic root of 12195323 is about 230.1783305048.

The spelling of 12195323 in words is "twelve million, one hundred ninety-five thousand, three hundred twenty-three".

Divisors: 1 7 241 1687 7229 50603 1742189 12195323