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13684414 = 26842207
BaseRepresentation
bin110100001100…
…111010111110
3221202020111011
4310030322332
512000400124
61205145434
7224213152
oct64147276
927666434
1013684414
1177a7337
1246bb27a
132ab18b3
141b63062
151304994
hexd0cebe

13684414 has 4 divisors (see below), whose sum is σ = 20526624. Its totient is φ = 6842206.

The previous prime is 13684399. The next prime is 13684417. The reversal of 13684414 is 41448631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41448631 = 75921233.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13684417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421102 + ... + 3421105.

It is an arithmetic number, because the mean of its divisors is an integer number (5131656).

Almost surely, 213684414 is an apocalyptic number.

13684414 is a deficient number, since it is larger than the sum of its proper divisors (6842210).

13684414 is an equidigital number, since it uses as much as digits as its factorization.

13684414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842209.

The product of its digits is 9216, while the sum is 31.

The square root of 13684414 is about 3699.2450581166. The cubic root of 13684414 is about 239.1894764444.

The spelling of 13684414 in words is "thirteen million, six hundred eighty-four thousand, four hundred fourteen".

Divisors: 1 2 6842207 13684414