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13946269 = 45730517
BaseRepresentation
bin110101001100…
…110110011101
3222020112200111
4311030312131
512032240034
61214530021
7226353451
oct65146635
928215614
1013946269
117966047
124806911
132b73b3c
141bd0661
151357364
hexd4cd9d

13946269 has 4 divisors (see below), whose sum is σ = 13977244. Its totient is φ = 13915296.

The previous prime is 13946227. The next prime is 13946279. The reversal of 13946269 is 96264931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4674244 + 9272025 = 2162^2 + 3045^2 .

It is a cyclic number.

It is not a de Polignac number, because 13946269 - 211 = 13944221 is a prime.

It is a super-2 number, since 2×139462692 = 388996838040722, 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 (13946279) 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, 14802 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (3494311).

Almost surely, 213946269 is an apocalyptic number.

It is an amenable number.

13946269 is a deficient number, since it is larger than the sum of its proper divisors (30975).

13946269 is an equidigital number, since it uses as much as digits as its factorization.

13946269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30974.

The product of its digits is 69984, while the sum is 40.

The square root of 13946269 is about 3734.4703774431. The cubic root of 13946269 is about 240.7054993273.

The spelling of 13946269 in words is "thirteen million, nine hundred forty-six thousand, two hundred sixty-nine".

Divisors: 1 457 30517 13946269