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12269385 = 325377369
BaseRepresentation
bin101110110011…
…011101001001
3212002100102200
4232303131021
511120110020
61114550413
7206200542
oct56633511
925070380
1012269385
116a20197
124138409
1327077bb
1418b54c9
151125590
hexbb3749

12269385 has 24 divisors (see below), whose sum is σ = 21844680. Its totient is φ = 6365952.

The previous prime is 12269371. The next prime is 12269399. The reversal of 12269385 is 58396221.

12269385 is a `hidden beast` number, since 12 + 269 + 385 = 666.

It is an interprime number because it is at equal distance from previous prime (12269371) and next prime (12269399).

It can be written as a sum of positive squares in 4 ways, for example, as 6335289 + 5934096 = 2517^2 + 2436^2 .

It is not a de Polignac number, because 12269385 - 25 = 12269353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2020 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (910195).

Almost surely, 212269385 is an apocalyptic number.

12269385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12269385 is a deficient number, since it is larger than the sum of its proper divisors (9575295).

12269385 is a wasteful number, since it uses less digits than its factorization.

12269385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417 (or 7414 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12269385 is about 3502.7681910169. The cubic root of 12269385 is about 230.6433468560.

The spelling of 12269385 in words is "twelve million, two hundred sixty-nine thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 1665 7369 22107 36845 66321 110535 272653 331605 817959 1363265 2453877 4089795 12269385