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12283693 = 59920507
BaseRepresentation
bin101110110110…
…111100101101
3212010002001121
4232312330231
511121034233
61115140541
7206260342
oct56667455
925102047
1012283693
116a2aa14
124144751
132711176
1418ba7c9
15112992d
hexbb6f2d

12283693 has 4 divisors (see below), whose sum is σ = 12304800. Its totient is φ = 12262588.

The previous prime is 12283669. The next prime is 12283717. The reversal of 12283693 is 39638221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12283669) and next prime (12283717).

It is a cyclic number.

It is not a de Polignac number, because 12283693 - 221 = 10186541 is a prime.

It is a super-2 number, since 2×122836932 = 301778227436498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12283603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9655 + ... + 10852.

It is an arithmetic number, because the mean of its divisors is an integer number (3076200).

It is a 582-hyperperfect number.

Almost surely, 212283693 is an apocalyptic number.

It is an amenable number.

12283693 is a deficient number, since it is larger than the sum of its proper divisors (21107).

12283693 is an equidigital number, since it uses as much as digits as its factorization.

12283693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106.

The product of its digits is 15552, while the sum is 34.

The square root of 12283693 is about 3504.8099805838. The cubic root of 12283693 is about 230.7329672961.

The spelling of 12283693 in words is "twelve million, two hundred eighty-three thousand, six hundred ninety-three".

Divisors: 1 599 20507 12283693