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12244895 = 513243337
BaseRepresentation
bin101110101101…
…011110011111
3212001002211122
4232231132133
511113314040
61114241155
7206036255
oct56553637
925032748
1012244895
116a03853
1241261bb
1326c9600
1418aa5d5
15111d1b5
hexbad79f

12244895 has 24 divisors (see below), whose sum is σ = 16329456. Its totient is φ = 8805888.

The previous prime is 12244889. The next prime is 12244909. The reversal of 12244895 is 59844221.

It is not a de Polignac number, because 12244895 - 216 = 12179359 is a prime.

It is a super-2 number, since 2×122448952 = 299874907122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36167 + ... + 36503.

It is an arithmetic number, because the mean of its divisors is an integer number (680394).

Almost surely, 212244895 is an apocalyptic number.

12244895 is a deficient number, since it is larger than the sum of its proper divisors (4084561).

12244895 is a wasteful number, since it uses less digits than its factorization.

12244895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 398 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 12244895 is about 3499.2706382902. The cubic root of 12244895 is about 230.4897880077.

The spelling of 12244895 in words is "twelve million, two hundred forty-four thousand, eight hundred ninety-five".

Divisors: 1 5 13 43 65 169 215 337 559 845 1685 2795 4381 7267 14491 21905 36335 56953 72455 188383 284765 941915 2448979 12244895