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12258069 = 34086023
BaseRepresentation
bin101110110000…
…101100010101
3212001202220120
4232300230111
511114224234
61114422153
7206122545
oct56605425
925052816
1012258069
116a1273a
124131959
1327025c5
1418b1325
151122049
hexbb0b15

12258069 has 4 divisors (see below), whose sum is σ = 16344096. Its totient is φ = 8172044.

The previous prime is 12258049. The next prime is 12258083. The reversal of 12258069 is 96085221.

12258069 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 12258069 - 211 = 12256021 is a prime.

It is a super-2 number, since 2×122580692 = 300520511217522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12258049) 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, 2043009 + ... + 2043014.

It is an arithmetic number, because the mean of its divisors is an integer number (4086024).

Almost surely, 212258069 is an apocalyptic number.

It is an amenable number.

12258069 is a deficient number, since it is larger than the sum of its proper divisors (4086027).

12258069 is an equidigital number, since it uses as much as digits as its factorization.

12258069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086026.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 12258069 is about 3501.1525245267. The cubic root of 12258069 is about 230.5724179298.

The spelling of 12258069 in words is "twelve million, two hundred fifty-eight thousand, sixty-nine".

Divisors: 1 3 4086023 12258069