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12146453 = 111989653
BaseRepresentation
bin101110010101…
…011100010101
3211212002210122
4232111130111
511102141303
61112201325
7205146254
oct56253425
924762718
1012146453
1169468a0
124099245
132693867
14188279b
1510ede38
hexb95715

12146453 has 16 divisors (see below), whose sum is σ = 14126400. Its totient is φ = 10327680.

The previous prime is 12146441. The next prime is 12146473. The reversal of 12146453 is 35464121.

It is not a de Polignac number, because 12146453 - 212 = 12142357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146413) by changing a digit.

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, 18275 + ... + 18927.

It is an arithmetic number, because the mean of its divisors is an integer number (882900).

Almost surely, 212146453 is an apocalyptic number.

It is an amenable number.

12146453 is a deficient number, since it is larger than the sum of its proper divisors (1979947).

12146453 is a wasteful number, since it uses less digits than its factorization.

12146453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 2880, while the sum is 26.

The square root of 12146453 is about 3485.1761791909. The cubic root of 12146453 is about 229.8704563510.

It can be divided in two parts, 1214 and 6453, that added together give a palindrome (7667).

The spelling of 12146453 in words is "twelve million, one hundred forty-six thousand, four hundred fifty-three".

Divisors: 1 11 19 89 209 653 979 1691 7183 12407 18601 58117 136477 639287 1104223 12146453