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12235269 = 3131163191
BaseRepresentation
bin101110101011…
…001000000101
3212000121122010
4232223020011
511113012034
61114124433
7205666224
oct56531005
925017563
1012235269
1169a75a2
124120719
1326c5107
1418a6cbb
15111a3e9
hexbab205

12235269 has 16 divisors (see below), whose sum is σ = 16625664. Its totient is φ = 8002800.

The previous prime is 12235253. The next prime is 12235277. The reversal of 12235269 is 96253221.

12235269 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12235269 - 24 = 12235253 is a prime.

It is a super-2 number, since 2×122352692 = 299403615004722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235169) 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 15 ways as a sum of consecutive naturals, for example, 63964 + ... + 64154.

It is an arithmetic number, because the mean of its divisors is an integer number (1039104).

Almost surely, 212235269 is an apocalyptic number.

It is an amenable number.

12235269 is a deficient number, since it is larger than the sum of its proper divisors (4390395).

12235269 is a wasteful number, since it uses less digits than its factorization.

12235269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 6480, while the sum is 30.

The square root of 12235269 is about 3497.8949383879. The cubic root of 12235269 is about 230.4293743593.

The spelling of 12235269 in words is "twelve million, two hundred thirty-five thousand, two hundred sixty-nine".

Divisors: 1 3 131 163 191 393 489 573 21353 25021 31133 64059 75063 93399 4078423 12235269