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BaseRepresentation
bin101110111100…
…111100101101
3212011022202211
4232330330231
511122331034
61115450421
7206422111
oct56747455
925138684
1012308269
116a47426
124156a11
13271c3cc
1418c5741
151131d64
hexbbcf2d

12308269 has 2 divisors, whose sum is σ = 12308270. Its totient is φ = 12308268.

The previous prime is 12308249. The next prime is 12308297. The reversal of 12308269 is 96280321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 405769 = 3450^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 12308269 - 25 = 12308237 is a prime.

It is a super-2 number, since 2×123082692 = 302986971552722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12308269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12308249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154134 + 6154135.

It is an arithmetic number, because the mean of its divisors is an integer number (6154135).

Almost surely, 212308269 is an apocalyptic number.

It is an amenable number.

12308269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308269 is an equidigital number, since it uses as much as digits as its factorization.

12308269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12308269 is about 3508.3142675650. The cubic root of 12308269 is about 230.8867407025.

The spelling of 12308269 in words is "twelve million, three hundred eight thousand, two hundred sixty-nine".